| Prefix | Description | First/Last announcement |
| 2001:220::/35 | Korea Advanced Research Network operated by Korea Telecom | 2022-03-23 |
| 2001:220:2000::/35 | Korea Advanced Research Network operated by Korea Telecom | 2022-03-23 |
| 2001:220:4000::/34 | Korea Advanced Research Network operated by Korea Telecom | 2022-03-23 |
| 2001:220:8000::/33 | Korea Advanced Research Network operated by Korea Telecom | 2022-03-23 |
| 2001:230::/35 | Electronics and Telecommunications Research Institute, a government sponsored institute, Taejon, Korea Electronics and Telecommu | 2022-03-23 |
| 2001:230:2000::/35 | Electronics and Telecommunications Research Institute, a government sponsored institute, Taejon, Korea Electronics and Telecommu | 2022-03-23 |
| 2001:230:4000::/34 | Electronics and Telecommunications Research Institute, a government sponsored institute, Taejon, Korea Electronics and Telecommu | 2022-03-23 |
| 2001:230:8000::/33 | Electronics and Telecommunications Research Institute, a government sponsored institute, Taejon, Korea Electronics and Telecommu | 2022-03-23 |
| 2001:270::/32 | ISP providing various internet services LG DACOM Corporation | 2023-04-27 |
| 2001:270::/35 | ISP providing various internet services LG DACOM Corporation | 2003-05-03 |
| 2001:270::/36 | | 2016-05-30 |
| 2001:270:2000::/35 | ISP providing various internet services LG DACOM Corporation | 2006-03-07 |
| 2001:270:4000::/34 | ISP providing various internet services LG DACOM Corporation | 2006-03-07 |
| 2001:270:8000::/33 | ISP providing various internet services LG DACOM Corporation | 2023-04-27 |
| 2001:270:fc02::/48 | | 2016-04-21 |
| 2001:270:fc42::/48 | | 2016-05-31 |
| 2001:280::/35 | Korea Telecom Hitel Internet Service Network Korea Telecom | 2022-03-23 |
| 2001:280:2000::/35 | Korea Telecom Hitel Internet Service Network Korea Telecom | 2022-03-23 |
| 2001:280:4000::/34 | Korea Telecom Hitel Internet Service Network Korea Telecom | 2022-03-23 |
| 2001:280:8000::/33 | Korea Telecom Hitel Internet Service Network Korea Telecom | 2022-03-23 |
| 2001:290::/32 | Hanaro is the leading high speed ISP and the second local carrier in Korea SK Broadband Co Ltd | 2003-05-03 |
| 2001:290::/35 | Hanaro is the leading high speed ISP and the second local carrier in Korea SK Broadband Co Ltd | 2012-03-04 |
| 2001:290:2000::/35 | Hanaro is the leading high speed ISP and the second local carrier in Korea SK Broadband Co Ltd | 2012-03-04 |
| 2001:290:4000::/34 | Hanaro is the leading high speed ISP and the second local carrier in Korea SK Broadband Co Ltd | 2012-03-04 |
| 2001:290:4000::/36 | | 2013-12-06 |
| 2001:290:8000::/33 | Hanaro is the leading high speed ISP and the second local carrier in Korea SK Broadband Co Ltd | 2012-03-04 |
| 2001:2b0::/35 | Korea Telecom Korea Telecom | 2022-03-23 |
| 2001:2b0:2000::/35 | Korea Telecom Korea Telecom | 2022-03-23 |
| 2001:2b0:4000::/34 | Korea Telecom Korea Telecom | 2022-03-23 |
| 2001:2b0:8000::/33 | Korea Telecom Korea Telecom | 2022-03-23 |
| 2001:2b8::/32 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8::/35 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:2::/48 | | 2022-03-23 |
| 2001:2b8:6::/48 | | 2022-03-23 |
| 2001:2b8:7::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:8::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:11::/48 | | 2022-03-23 |
| 2001:2b8:12::/48 | | 2022-03-23 |
| 2001:2b8:13::/48 | | 2022-03-23 |
| 2001:2b8:15::/48 | | 2022-03-23 |
| 2001:2b8:16::/48 | | 2022-03-23 |
| 2001:2b8:17::/48 | | 2022-03-23 |
| 2001:2b8:18::/48 | | 2022-03-23 |
| 2001:2b8:19::/48 | | 2022-03-23 |
| 2001:2b8:20::/48 | | 2022-03-23 |
| 2001:2b8:21::/48 | | 2022-03-23 |
| 2001:2b8:22::/48 | | 2022-03-23 |
| 2001:2b8:24::/48 | | 2022-03-23 |
| 2001:2b8:25::/48 | | 2022-03-23 |
| 2001:2b8:26::/48 | | 2022-03-23 |
| 2001:2b8:27::/48 | | 2022-03-23 |
| 2001:2b8:28::/48 | | 2022-03-23 |
| 2001:2b8:29::/48 | | 2022-03-23 |
| 2001:2b8:30::/48 | SIXNGIX-AS-KR Korea Internet Security Agency | 2022-03-23 |
| 2001:2b8:31::/48 | | 2022-03-23 |
| 2001:2b8:32::/48 | | 2022-03-23 |
| 2001:2b8:33::/48 | | 2022-03-23 |
| 2001:2b8:34::/48 | | 2022-03-23 |
| 2001:2b8:35::/48 | | 2022-03-23 |
| 2001:2b8:36::/48 | | 2022-03-23 |
| 2001:2b8:37::/48 | | 2022-03-23 |
| 2001:2b8:39::/48 | | 2022-03-23 |
| 2001:2b8:40::/48 | | 2022-03-23 |
| 2001:2b8:43::/48 | | 2022-03-23 |
| 2001:2b8:45::/48 | | 2022-03-23 |
| 2001:2b8:48::/48 | | 2022-03-23 |
| 2001:2b8:49::/48 | | 2022-03-23 |
| 2001:2b8:50::/48 | | 2022-03-23 |
| 2001:2b8:51::/48 | | 2022-03-23 |
| 2001:2b8:52::/48 | | 2022-03-23 |
| 2001:2b8:53::/48 | | 2022-03-23 |
| 2001:2b8:54::/48 | | 2022-03-23 |
| 2001:2b8:55::/48 | | 2022-03-23 |
| 2001:2b8:56::/48 | | 2022-03-23 |
| 2001:2b8:57::/48 | | 2022-03-23 |
| 2001:2b8:58::/48 | | 2022-03-23 |
| 2001:2b8:59::/48 | | 2022-03-23 |
| 2001:2b8:60::/48 | | 2022-03-23 |
| 2001:2b8:61::/48 | | 2022-03-23 |
| 2001:2b8:62::/48 | | 2022-03-23 |
| 2001:2b8:63::/48 | | 2022-03-23 |
| 2001:2b8:64::/48 | | 2022-03-23 |
| 2001:2b8:66::/48 | | 2022-03-23 |
| 2001:2b8:67::/48 | | 2022-03-23 |
| 2001:2b8:68::/48 | | 2022-03-23 |
| 2001:2b8:69::/48 | | 2022-03-23 |
| 2001:2b8:70::/48 | | 2022-03-23 |
| 2001:2b8:71::/48 | | 2022-03-23 |
| 2001:2b8:72::/48 | | 2022-03-23 |
| 2001:2b8:73::/48 | | 2022-03-23 |
| 2001:2b8:74::/48 | | 2022-03-23 |
| 2001:2b8:75::/48 | | 2022-03-23 |
| 2001:2b8:76::/48 | | 2022-03-23 |
| 2001:2b8:77::/48 | | 2022-03-23 |
| 2001:2b8:78::/48 | | 2022-03-23 |
| 2001:2b8:79::/48 | | 2022-03-23 |
| 2001:2b8:80::/48 | | 2022-03-23 |
| 2001:2b8:81::/48 | | 2022-03-23 |
| 2001:2b8:82::/48 | | 2022-03-23 |
| 2001:2b8:83::/48 | | 2022-03-23 |
| 2001:2b8:84::/48 | | 2022-03-23 |
| 2001:2b8:90::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:94::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:9a::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:9c::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:9d::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:9f::/48 | | 2022-03-23 |
| 2001:2b8:a0::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:a1::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:a4::/48 | | 2022-03-23 |
| 2001:2b8:b0::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:b2::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:b4::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:b6::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:b8::/48 | | 2022-03-23 |
| 2001:2b8:ba::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:bc::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2024-04-01 |
| 2001:2b8:be::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:c0::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:c2::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:c4::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:c6::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:c8::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:ca::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:cc::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:ce::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:d0::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:d2::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:d4::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:d6::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:da::/48 | | 2022-03-23 |
| 2001:2b8:dc::/48 | | 2022-03-23 |
| 2001:2b8:dd::/48 | | 2022-03-23 |
| 2001:2b8:de::/48 | | 2022-03-23 |
| 2001:2b8:e0::/48 | | 2022-03-23 |
| 2001:2b8:e2::/48 | | 2022-03-23 |
| 2001:2b8:e4::/48 | | 2022-03-23 |
| 2001:2b8:e6::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2024-04-01 |
| 2001:2b8:e8::/48 | | 2022-03-23 |
| 2001:2b8:ed::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:ef::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:f2::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:f8::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:200::/48 | | 2022-03-23 |
| 2001:2b8:380::/48 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:2000::/35 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:4000::/34 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b8:8000::/33 | NGInet(Next Generation Internet Network) is the national-wide Internet service provider for public oganizations Korea Informatio | 2022-03-23 |
| 2001:2b9::/32 | Korea Network Information Center | 2022-03-23 |
| 2001:2d8::/32 | SK Telecom Seoul, Korea SK Telecom | 2014-06-03 |
| 2001:2d8::/33 | | 2016-07-29 |
| 2001:2d8::/34 | | 2017-01-28 |
| 2001:2d8::/35 | SK Telecom Seoul, Korea SK Telecom | 2008-03-06 |
| 2001:2d8::/48 | | 2011-05-20 |
| 2001:2d8:1::/48 | | 2010-11-08 |
| 2001:2d8:2::/48 | | 2012-11-30 |
| 2001:2d8:10::/48 | | 2011-05-20 |
| 2001:2d8:20::/48 | | 2012-11-29 |
| 2001:2d8:d0::/44 | | 2014-07-10 |
| 2001:2d8:200::/44 | | 2014-08-06 |
| 2001:2d8:210::/44 | | 2014-08-06 |
| 2001:2d8:220::/44 | | 2014-08-06 |
| 2001:2d8:230::/44 | | 2014-08-06 |
| 2001:2d8:240::/44 | | 2014-08-06 |
| 2001:2d8:250::/44 | | 2014-09-02 |
| 2001:2d8:260::/44 | | 2014-09-02 |
| 2001:2d8:270::/44 | | 2014-09-02 |
| 2001:2d8:280::/48 | | 2016-01-06 |
| 2001:2d8:281::/48 | | 2016-01-06 |
| 2001:2d8:300::/44 | | 2016-01-06 |
| 2001:2d8:310::/44 | | 2016-01-06 |
| 2001:2d8:330::/44 | | 2016-01-06 |
| 2001:2d8:900::/44 | | 2014-08-06 |
| 2001:2d8:910::/44 | | 2014-08-06 |
| 2001:2d8:920::/44 | | 2014-08-06 |
| 2001:2d8:930::/44 | | 2014-08-06 |
| 2001:2d8:950::/44 | | 2016-01-06 |
| 2001:2d8:970::/44 | | 2016-01-06 |
| 2001:2d8:2000::/35 | SK Telecom Seoul, Korea SK Telecom | 2008-03-06 |
| 2001:2d8:4000::/34 | SK Telecom Seoul, Korea SK Telecom | 2008-03-06 |
| 2001:2d8:8000::/33 | SK Telecom Seoul, Korea SK Telecom | 2008-03-06 |
| 2001:2d8:8000::/34 | | 2017-01-28 |
| 2001:2d8:c000::/34 | | 2017-01-28 |
| 2001:2d8:e130::/44 | | 2016-01-28 |
| 2001:2d8:e140::/44 | | 2016-01-06 |
| 2001:2d8:e190::/44 | | 2016-01-06 |
| 2001:2d8:e930::/44 | | 2016-01-28 |
| 2001:2d8:e940::/44 | | 2016-01-06 |
| 2001:2d8:e990::/44 | | 2016-01-06 |
| 2001:320::/32 | KREONET2 Korea Research Environment Open Network 2) KISTI | 2003-05-03 |
| 2001:320::/35 | KREONET2 Korea Research Environment Open Network 2) KISTI | 2012-03-04 |
| 2001:320:186::/48 | | 2013-02-28 |
| 2001:320:2000::/35 | KREONET2 Korea Research Environment Open Network 2) KISTI | 2012-03-04 |
| 2001:320:3107::/48 | | 2013-03-15 |
| 2001:320:4000::/34 | KREONET2 Korea Research Environment Open Network 2) KISTI | 2012-03-04 |
| 2001:320:8000::/33 | KREONET2 Korea Research Environment Open Network 2) KISTI | 2012-03-04 |
| 2001:320:8311::/48 | | 2013-02-28 |
| 2001:330::/32 | Samsung Networks, a member of Samsung conglomerate SamsungSDS Inc. | 2003-06-05 |
| 2001:330::/35 | Samsung Networks, a member of Samsung conglomerate SamsungSDS Inc. | 2012-03-04 |
| 2001:330:2::/48 | | 2011-01-25 |
| 2001:330:4::/48 | | 2011-01-25 |
| 2001:330:2000::/35 | Samsung Networks, a member of Samsung conglomerate SamsungSDS Inc. | 2012-03-04 |
| 2001:330:4000::/34 | Samsung Networks, a member of Samsung conglomerate SamsungSDS Inc. | 2012-03-04 |
| 2001:330:7000::/48 | | 2011-10-19 |
| 2001:330:8000::/33 | Samsung Networks, a member of Samsung conglomerate SamsungSDS Inc. | 2012-03-04 |
| 2001:330:a000::/40 | | 2011-01-25 |
| 2001:378::/32 | provides broadband internet access services to residential subscribers and enterprise network services over own or leased fiber | 2003-06-08 |
| 2001:378::/35 | provides broadband internet access services to residential subscribers and enterprise network services over own or leased fiber | 2012-03-04 |
| 2001:378:2000::/35 | provides broadband internet access services to residential subscribers and enterprise network services over own or leased fiber | 2012-03-04 |
| 2001:378:4000::/34 | provides broadband internet access services to residential subscribers and enterprise network services over own or leased fiber | 2012-03-04 |
| 2001:378:8000::/33 | provides broadband internet access services to residential subscribers and enterprise network services over own or leased fiber | 2012-03-04 |
| 2001:390::/35 | Internet Service co., Ltd 3F, Iljin BD, 693-2, Shindaebang-Dong Dongjak-gu, Seoul, Korea Duruan | 2022-03-23 |
| 2001:390:2000::/35 | Internet Service co., Ltd 3F, Iljin BD, 693-2, Shindaebang-Dong Dongjak-gu, Seoul, Korea Duruan | 2022-03-23 |
| 2001:390:4000::/34 | Internet Service co., Ltd 3F, Iljin BD, 693-2, Shindaebang-Dong Dongjak-gu, Seoul, Korea Duruan | 2022-03-23 |
| 2001:390:8000::/33 | Internet Service co., Ltd 3F, Iljin BD, 693-2, Shindaebang-Dong Dongjak-gu, Seoul, Korea Duruan | 2022-03-23 |
| 2001:3a8::/32 | ISP, GNG Networks, Inc. GNG IDC B/D, 343-1 Yhatap-dong, Bundang-gu, Seongnam-si, KYONGGI-DO SEJONG TELECOM | 2012-04-07 |
| 2001:3a8::/35 | ISP, GNG Networks, Inc. GNG IDC B/D, 343-1 Yhatap-dong, Bundang-gu, Seongnam-si, KYONGGI-DO SEJONG TELECOM | 2003-06-08 |
| 2001:3a8:2000::/35 | ISP, GNG Networks, Inc. GNG IDC B/D, 343-1 Yhatap-dong, Bundang-gu, Seongnam-si, KYONGGI-DO SEJONG TELECOM | 2003-06-08 |
| 2001:3a8:4000::/34 | ISP, GNG Networks, Inc. GNG IDC B/D, 343-1 Yhatap-dong, Bundang-gu, Seongnam-si, KYONGGI-DO SEJONG TELECOM | 2003-06-08 |
| 2001:3a8:8000::/33 | ISP, GNG Networks, Inc. GNG IDC B/D, 343-1 Yhatap-dong, Bundang-gu, Seongnam-si, KYONGGI-DO SEJONG TELECOM | 2003-06-08 |
| 2001:67c:2dd4::/48 | "The first international bookmaker company" Ltd. "The first international bookmaker company" Ltd. | 2025-09-17 |
| 2001:7fa:8::/48 | Asia Pacific Network Information Center, Pty. Ltd. Regional Internet Registry for the Asia-Pacific Region Level 1 - 33 Park Road | 2015-01-28 |
| 2001:c48::/32 | Dreamline Co. ISP, 2F Cheiljedang Bldg., 1603-54 Seocho-dong, Seocho-Ku, Seoul, Korea 137-070 DREAMLINE CO. | 2003-06-08 |
| 2001:c98::/32 | KrLine Co. ISP, 202, Shinhan Bldg., 902-55, Togok-Dong, Kangnam-Gu, Seoul, Korea 137-070 | 2003-05-03 |
| 2001:cf0::/32 | ONSE Telecom Internet Service Provider 192-2 Kumi-dong Bundang-ku Sungnam-si KYONGGI ONSE Telecom | 2003-06-08 |
| 2001:d38::/32 | NTT KOREA NTT KOREA is Korea's Internet Service Provider for IPv4 service at the moment #713,Korea City Air Turminal Bldg,159-6, | 2003-06-08 |
| 2001:dc5::/32 | National Internet Registry 11F, KTF Bldg., 1321-11, Seocho2-Dong, Seo-cho-Gu Seoul, Korea, 137-857 Korea Information Security Ag | 2022-03-23 |
| 2001:dc5::/48 | National Internet Registry 11F, KTF Bldg., 1321-11, Seocho2-Dong, Seo-cho-Gu Seoul, Korea, 137-857 Korea Information Security Ag | 2022-03-23 |
| 2001:dc5:a::/48 | National Internet Registry 11F, KTF Bldg., 1321-11, Seocho2-Dong, Seo-cho-Gu Seoul, Korea, 137-857 Korea Information Security Ag | 2004-05-04 |
| 2001:dcc::/32 | National Internet Development Agency 11th, KTF bldg, 1321-11, Seocho2dong, Seochogu SEOUL Korea Information Security Agency | 2022-03-23 |
| 2001:dcc:4::/48 | | 2014-07-31 |
| 2001:dcc:5::/48 | National Internet Development Agency 11th, KTF bldg, 1321-11, Seocho2dong, Seochogu SEOUL Korea Information Security Agency | 2008-09-29 |
| 2001:dcc:401::/48 | | 2014-07-31 |
| 2001:dcc:703::/48 | | 2022-03-23 |
| 2001:dd8:17::/48 | Internet Systems Consortium Asia Pacific F-Root Nodes (Seoul) | 2011-08-16 |
| 2001:df0:32c0::/48 | | 2021-06-10 |
| 2001:df0:d580::/48 | KNDIGITAL Ltd. KNDIGITAL Ltd. | 2022-03-23 |
| 2001:df0:e540::/48 | | 2025-09-16 |
| 2001:df1:180::/48 | Bibicle Bibicle Bibicle | 2022-03-23 |
| 2001:df1:5400::/48 | B-2506, 606 Seobusaet-gil, Geumcheon-gu | 2022-03-23 |
| 2001:df1:6c80::/48 | CreativeLab CloudNX CreativeLab | 2020-03-20 |
| 2001:df2:6e80::/48 | Barum Information Technology Co., Ltd Barum Information Technology Co., Ltd | 2022-03-23 |
| 2001:df3:3880::/48 | | 2022-03-23 |
| 2001:df3:d9c0::/48 | | 2024-12-23 |
| 2001:df4:2940::/48 | | |
| 2001:df4:f780::/48 | | 2024-06-22 |
| 2001:df5:5c40::/48 | | 2025-04-25 |
| 2001:df5:6800::/48 | 9F, Korea bldg, yeoksam-dong. Gangnam-gu. | 2022-03-23 |
| 2001:df5:8c40::/48 | | 2025-05-21 |
| 2001:df5:c7c0::/48 | | 2025-10-07 |
| 2001:e60::/32 | Korea Telecom Freetel Corp. KTF is Korea's mobile internet service provider for IPv4 service at the moment. 19F, KTF Bldg, 1321- | 2022-03-23 |
| 2001:e60:1000::/36 | | 2015-08-21 |
| 2001:e60:2000::/36 | | 2015-08-21 |
| 2001:e60:3000::/36 | | 2015-07-29 |
| 2001:e60:4000::/36 | | 2015-07-29 |
| 2001:e70::/32 | Korean Education Network KREN, Seoul National University, San 56-1, Sillim-9dong, Kwanak-gu, Seoul SEOUL Korean Education Networ | 2022-03-23 |
| 2001:e70:2000::/36 | | 2022-03-23 |
| 2001:e78::/32 | Public Network Plus Our company is Korea's biggest ISP of public network 65-228, 3Ga, Hangang-ro, Yongsan-gu, Seoul DACOM-PUBNET | 2022-03-23 |
| 2001:e98::/32 | SKTelink SK Telink is the national leader among advanced internet service providers 267, Namdaemunno5-ga, Chung-gu, Seoul SKTeli | 2022-03-23 |
| 2001:ea0::/32 | Kwan-ak Network Kwan-ak network is very-high internet service provider in Korea. 1578-51, Shinrim1-dong, Kwanak-gu, Seoul HYUND | 2022-03-23 |
| 2001:ea0:a::/48 | | 2022-03-23 |
| 2001:ea0:b::/48 | | 2022-03-23 |
| 2001:ea0:c::/48 | | 2022-03-23 |
| 2001:ea0:d::/48 | | 2022-03-23 |
| 2001:ea0:e::/48 | | 2022-03-23 |
| 2001:ea8::/32 | KT Networks KTN is the ISP in Korea 837-26, Yeoksam-dong, Kangnam-gu, Seoul KT Solutions Corporation | 2022-03-23 |
| 2001:eb8::/32 | Korea Trade Network KTNET is the ISP in Korea 159-1, 4thFl. Trade-Tower, KWTC, Samsung-Dong, Kangnam-Ku Seoul Korea Trade Networ | 2022-03-23 |
| 2001:eb8:ffff::/48 | | 2022-03-23 |
| 2001:ed0::/32 | Korea Internet Data Center Inc. KIDC is the ISP in Korea KIDC Bldg, 261-1, Nonhyun-dong, Kangnam-ku Seoul LG DACOM KIDC | 2004-04-18 |
| 2001:ee8::/32 | Bando CableLine Our company is Korea's biggest ISP 768-10, Geumam-dong, Jeonju-si, Deokjin-gu CHONBUK Tbroadjeonjubroadcast | 2022-03-23 |
| 2001:ef0::/32 | Public Network Korea's ISP 206 Jungja Bundang-Gu Sungnam-City Kyonggi-do KYONGGI Korea Telecom-PUBNET | 2022-03-23 |
| 2001:ef0:4000::/34 | | 2022-03-23 |
| 2001:ef0:5000::/36 | | 2022-03-23 |
| 2001:ef0:5011::/48 | | 2022-03-23 |
| 2001:ef0:5012::/48 | | 2022-03-23 |
| 2001:ef0:5013::/48 | | 2022-03-23 |
| 2001:ef0:5014::/48 | | 2022-03-23 |
| 2001:ef0:5015::/48 | | 2022-03-23 |
| 2001:ef0:5016::/48 | | 2022-03-23 |
| 2001:ef0:5017::/48 | | 2022-03-23 |
| 2001:ef0:5018::/48 | | 2022-03-23 |
| 2001:ef0:5019::/48 | | 2022-03-23 |
| 2001:ef0:5020::/48 | | 2022-03-23 |
| 2001:ef0:5021::/48 | | 2022-03-23 |
| 2001:ef0:5022::/48 | | 2022-03-23 |
| 2001:ef0:5023::/48 | | 2022-03-23 |
| 2001:ef0:5024::/48 | | 2022-03-23 |
| 2001:ef0:5025::/48 | | 2022-03-23 |
| 2001:ef0:5026::/48 | | 2022-03-23 |
| 2001:ef0:5027::/48 | | 2022-03-23 |
| 2001:ef0:5028::/48 | | 2022-03-23 |
| 2001:ef0:5029::/48 | | 2022-03-23 |
| 2001:ef0:5030::/48 | | 2022-03-23 |
| 2001:ef0:5031::/48 | | 2022-03-23 |
| 2001:ef0:5032::/48 | | 2022-03-23 |
| 2001:ef0:6000::/36 | | 2022-03-23 |
| 2001:ef0:7000::/36 | | 2022-03-23 |
| 2001:ef0:a000::/35 | | 2022-03-23 |
| 2001:ef8::/32 | ServerBank Our company is Korea's ISP Korea Computer Bldg. F3, 395-65, Shindaebang-Dong, Dongjak-Gu SEOUL INZENSecurityService | 2022-03-23 |
| 2001:f28::/32 | SK Networks co., Ltd Our company is Korea's biggest ISP 199-15, Ulchiro-2Ga, Chung-Gu SEOUL SK Telecom | 2007-10-04 |
| 2001:f28::/33 | | 2016-07-29 |
| 2001:f28::/34 | | 2017-01-28 |
| 2001:f28:4000::/34 | | 2017-01-28 |
| 2001:f28:8000::/33 | | 2016-07-29 |
| 2001:f28:8000::/34 | | 2017-01-28 |
| 2001:f28:c000::/34 | | 2017-01-28 |
| 2001:f48::/32 | Inet Hosting, Inc. Our company is Korea's ISP 1421-1, Seocho-dong, Seocho-gu SEOUL Inet Hosting, Inc. | 2022-03-23 |
| 2001:4430::/32 | LG Telecom Corp. LG Telecom is Korea's mobile internet service provider 679, Yeoksam-dong, Gangnam-gu Seoul LGTELECOM | 2022-03-23 |
| 2001:4430:f::/48 | | 2016-05-06 |
| 2001:4430:4000::/36 | | 2016-05-04 |
| 2001:4430:4020::/44 | | 2016-06-29 |
| 2001:4430:4030::/44 | | 2016-06-29 |
| 2001:4430:4060::/44 | | 2016-06-29 |
| 2001:4430:4070::/44 | | 2016-06-29 |
| 2001:4430:4080::/44 | | 2016-06-29 |
| 2001:4430:4090::/44 | | 2016-06-29 |
| 2001:4430:40a0::/44 | | 2016-06-29 |
| 2001:4430:40b0::/44 | | 2016-06-29 |
| 2001:4430:40c0::/44 | | 2016-06-29 |
| 2001:4430:40d0::/44 | | 2016-08-04 |
| 2001:4430:40e0::/44 | | 2017-04-26 |
| 2001:4430:40f0::/45 | | 2017-04-26 |
| 2001:4430:40f8::/45 | | 2017-04-26 |
| 2001:4430:4100::/45 | | 2017-10-18 |
| 2001:4430:4108::/45 | | 2017-10-18 |
| 2001:4430:4110::/45 | | 2016-08-04 |
| 2001:4430:4120::/45 | | 2016-08-04 |
| 2001:4430:4130::/45 | | 2016-08-04 |
| 2001:4430:4140::/45 | | 2016-08-04 |
| 2001:4430:4150::/45 | | 2017-10-18 |
| 2001:4430:4158::/45 | | 2017-10-18 |
| 2001:4430:4f00::/45 | | 2016-04-08 |
| 2001:4430:5000::/36 | | 2016-05-04 |
| 2001:4430:5000::/44 | | 2016-07-01 |
| 2001:4430:5010::/44 | | 2016-07-01 |
| 2001:4430:5020::/44 | | 2016-07-01 |
| 2001:4430:5030::/44 | | 2016-07-01 |
| 2001:4430:5040::/44 | | 2016-07-01 |
| 2001:4430:5050::/44 | | 2016-07-01 |
| 2001:4430:5060::/44 | | 2016-07-01 |
| 2001:4430:5070::/44 | | 2016-07-01 |
| 2001:4430:5080::/44 | | 2016-07-01 |
| 2001:4430:5090::/44 | | 2016-09-07 |
| 2001:4430:50b0::/44 | | 2017-10-24 |
| 2001:4430:50c0::/44 | | 2017-10-24 |
| 2001:4430:6000::/36 | | 2016-05-04 |
| 2001:4430:6000::/37 | | 2017-08-21 |
| 2001:4430:6000::/44 | | 2016-06-29 |
| 2001:4430:6010::/44 | | 2016-06-29 |
| 2001:4430:6020::/44 | | 2016-06-29 |
| 2001:4430:6030::/44 | | 2016-06-29 |
| 2001:4430:6040::/44 | | 2016-06-29 |
| 2001:4430:6050::/44 | | 2016-06-29 |
| 2001:4430:6060::/44 | | 2016-06-29 |
| 2001:4430:6070::/44 | | 2016-06-29 |
| 2001:4430:6080::/44 | | 2016-06-29 |
| 2001:4430:6800::/37 | | 2017-08-21 |
| 2001:4430:6800::/45 | | 2017-08-21 |
| 2001:4430:6808::/45 | | 2017-08-21 |
| 2001:4430:6810::/45 | | 2017-08-21 |
| 2001:4430:6818::/45 | | 2017-08-21 |
| 2001:4430:6820::/45 | | 2017-08-21 |
| 2001:4430:6828::/45 | | 2017-08-21 |
| 2001:4430:6830::/45 | | 2017-08-21 |
| 2001:4430:6838::/45 | | 2017-08-21 |
| 2001:4430:ffff::/48 | | 2022-07-21 |
| 2001:44d0::/28 | Korea Cable Television Suwon Broadcating Corp. Our company is Korea's ISP 228, Uman-dong, Paldal-gu, Suwon-si KYONGGI Tbroad Suw | 2022-03-23 |
| 2400::/12 | | 2022-03-23 |
| 2400::/20 | Korea Telecom | 2014-05-27 |
| 2400:0:500::/40 | KIXS-AS-KR Korea Telecom,KR | 2023-06-29 |
| 2400:32::/48 | | 2014-07-24 |
| 2400:32:100::/48 | | 2014-12-04 |
| 2400:c0::/28 | KIXS-AS-KR Korea Telecom,KR | 2023-06-29 |
| 2400:144::/48 | KIXS-AS-KR Korea Telecom,KR | 2022-01-11 |
| 2400:181::/48 | KIXS-AS-KR Korea Telecom,KR | 2025-05-13 |
| 2400:182::/48 | KIXS-AS-KR Korea Telecom, KR | 2016-10-20 |
| 2400:201::/48 | KIXS-AS-KR Korea Telecom,KR | 2024-08-21 |
| 2400:241::/48 | KIXS-AS-KR Korea Telecom,KR | 2016-10-19 |
| 2400:244::/48 | KIXS-AS-KR Korea Telecom,KR | 2016-10-19 |
| 2400:2c1:3000::/48 | KIXS-AS-KR Korea Telecom, KR | 2022-07-18 |
| 2400:325:8000::/48 | KIXS-AS-KR Korea Telecom,KR | 2016-05-16 |
| 2400:5c5:8000::/48 | KIXS-AS-KR Korea Telecom,KR | 2016-05-16 |
| 2400:782::/48 | KIXS-AS-KR Korea Telecom,KR | 2016-05-12 |
| 2400:7a7:8000::/48 | KIXS-AS-KR Korea Telecom,KR | 2021-11-11 |
| 2400:ffa::/32 | | 2014-05-27 |
| 2400:1800::/32 | INTELLICENTER Our company is Korea's ISP Seoul Finance B/D, 63 Mukyo-dong, Jung-gu Seoul KDDI KOREA | |
| 2400:3300::/32 | LGNET Our company is Korea's ISP 10-1, Hoehyeon-dong 2(i)-ga Jung-gu, Seoul | 2018-07-25 |
| 2400:3460::/32 | | 2021-12-22 |
| 2400:4780::/32 | TBROAD SEODAEGU Broadcasting 2F Seongan Bldg, 149-3, Yeonhui-dong Seodaemun-gu Seoul | 2021-04-15 |
| 2400:4980::/32 | TBROAD DONGDAEMUN Broadcasting sejong B/D, 41-7, Cheongnyangni-dong Dongdaemun-gu Seoul TBROAD Dongdaemun cable networks,Inc. | 2021-04-15 |
| 2400:5920::/32 | Gasan Digital 2-ro 98, Geumchon-gu, Seoul, Korea Neo SilkRoad Co., Ltd | |
| 2400:5ce0::/32 | | |
| 2400:9e80::/32 | TBROAD ABC BROADCASTING 8F, Simin-daero Dongan-gu Anyang-si Gyeonggi-do TBROAD ABC BROADCASTING CO.,LTD. | 2021-04-15 |
| 2400:9f80::/32 | TBROAD HANVIT BROADCASTING 519-1, Jeokgeum-ro Ansan-si Danwon-gu Gyeonggi-do TBROAD HANVIT BROADCASTING CO.,LTD. | 2021-04-15 |
| 2400:a0a0::/32 | | |
| 2400:a580::/32 | Tbroad Ginam Broadcating 140-7, Ihwa-ro Pyenongtaek-si Gyeonggi-do Tbroad Ginam Broadcating Co., Ltd. | 2021-04-15 |
| 2400:ab00::/32 | SK communications Our company is Korea's ISP Lim Kwang B/D, 257, Seodaemun-gu Migeun-dong Seoul | 2018-07-25 |
| 2400:b8c0::/32 | Fengxian District Shanghai China | 2017-04-29 |
| 2400:cf00::/32 | Limelight Networks Kore Our company is Korea's ISP 130-10, Gangnam-gu Samseong 1(il)-dong Seoul | 2025-02-15 |
| 2400:e180::/32 | Tbroad Chungbu Broadcasting 19, Suseonjeong-gil Dongnam-gu Cheonan-si Chungcheongnam-do Tbroad Chungbu Broadcasting Co. | 2021-04-15 |
| 2400:fd60::/32 | | |
| 2400:fd80::/32 | Watch Tower Bible and Tract Society of Korea 377 Yanggi-ri Gongdo-eup Anseong-si Gyeonggi-do | |
| 2400:fda0::/32 | | |
| 2400:fda6::/32 | | 2023-05-19 |
| 2401:2700::/32 | KINXINC Korea's ISP 476-6 Dogok-Dong, Gangnam-gu SEOUL | 2014-11-11 |
| 2401:2700::/48 | | 2014-11-12 |
| 2401:2700:1::/48 | | 2014-11-13 |
| 2401:2700:2::/48 | | 2018-07-25 |
| 2401:2700:3::/48 | | 2024-06-17 |
| 2401:2700:a::/48 | | 2016-12-03 |
| 2401:4000::/32 | Tbroad Dongnam Broadcasting co Ltd Our company is Korea's ISP 73-11, daeyeondong, namgu BUSAN Tbroad Dongnam Broadcasting co.,Lt | 2021-04-15 |
| 2401:8ac0::/32 | KOREA TELECOMMUNICATIONS OPERATORS ASSOCIATION | |
| 2401:9ec0::/32 | GABIA Inc. | |
| 2401:a000::/32 | MOGAHA Our company is Korea's Member 77-6 Sejongno Jongno-gu Seoul SEOUL MIC E-GOVERNMENT | 2018-07-25 |
| 2401:a000:110::/48 | | 2018-07-25 |
| 2401:a000:116::/48 | | 2018-07-25 |
| 2401:a000:124::/48 | MOGAHA Our company is Korea's Member 77-6 Sejongno Jongno-gu Seoul SEOUL National Computing & Information Agency | 2018-07-25 |
| 2401:a000:22b::/48 | MOGAHA Our company is Korea's Member 77-6 Sejongno Jongno-gu Seoul SEOUL National Computing & Information Agency | 2018-07-25 |
| 2401:a000:22c::/48 | MOGAHA Our company is Korea's Member 77-6 Sejongno Jongno-gu Seoul SEOUL National Computing & Information Agency | 2018-07-25 |
| 2401:a800::/32 | TBROAD BUKBUSAN BROADCASTING CO LTD Our company is Korea's ISP 393-3 Deokcheon-dong Buk-gu BUSAN TBROAD BUKBUSAN BROADCASTING CO | 2021-04-15 |
| 2401:ae40::/32 | #1-504 Lotte IT Cattle 550-1 Gasandong Guencheongu , Seoul South Korea | |
| 2401:bca0::/32 | | |
| 2401:c500::/32 | CDNETWORKS 828-7 Yeoksam 1-dong gangnamgu Seoul | 2018-06-03 |
| 2401:c500::/48 | | 2018-06-03 |
| 2401:c500:10::/48 | | 2018-06-03 |
| 2401:c500:27::/48 | | 2021-05-31 |
| 2401:c500:41::/48 | | 2018-06-03 |
| 2401:c500:60::/48 | | 2018-07-25 |
| 2401:c500:ba::/48 | | 2020-03-29 |
| 2401:e200::/32 | WIZCDN Our company is Korea's ISP 40-7, Cheongdam-dong, Gangnam-gu Seoul wizsolution co.,Ltd | |
| 2401:f560::/32 | | 2025-06-30 |
| 2402::/22 | Korean Education Network Our company is Korea's ISP San56-1, Sillim9-dong, Gwanak-gu SEOUL Korean Education Network | |
| 2402:1::/36 | | 2013-11-03 |
| 2402:4f::/32 | | 2012-08-03 |
| 2402:be0::/32 | | |
| 2402:1a00::/32 | JCN Our company is Korea's ISP 619-2 Dal-dong Nam-gu Ulsan Ulsan Ulsan Jung-Ang Broadcasting Network | |
| 2402:3100::/32 | LXN 97-3, Guro-dong Guro-gu Seoul LX | |
| 2402:5800::/32 | NexG Our company is Korea's ISP 35F, SeoulAcademy B/D, 967-6, Daechidong, Gangnam-gu Seoul NexG | 2018-07-25 |
| 2402:6100::/32 | JNDINFO 1056-11, Gwonseon-dong Gwonseon-gu, Suwon-si Gyeonggi-do JND Communication | |
| 2402:7000::/32 | CMBINET Our company is Korea's ISP 1095-12,Songwol-dong Naju-si Jeollanam-do CHONNAM CMB Chonnam Broadcasting | |
| 2402:bcc0::/32 | Wider Planet Wider Planet | 2018-06-02 |
| 2402:be00::/32 | CNM Our company is Korea's ISP SungHak B/D 186, Songpa2-dong, Songpa-gu Seoul-si Seoul C&M Communication Co.,Ltd. | 2020-12-21 |
| 2402:be00:101::/48 | | 2020-12-21 |
| 2402:be00:300::/40 | | 2020-12-21 |
| 2402:be00:300::/48 | | 2020-12-21 |
| 2402:be00:303::/48 | | 2020-12-21 |
| 2402:be00:400::/40 | | 2020-12-21 |
| 2402:be00:400::/48 | | 2020-12-21 |
| 2402:be00:404::/48 | | 2020-12-21 |
| 2402:be00:505::/48 | | 2020-12-21 |
| 2402:de00::/32 | NHN Our company is Korea's ISP Venture Town 25-1, Jeongjadong, Bundang-gu, Seongnam-si, Kyounggi-do Kyounggi-do NHN | 2015-12-21 |
| 2402:de00:200::/44 | | 2018-07-25 |
| 2402:de00:200::/45 | | 2018-07-25 |
| 2402:de00:208::/45 | | 2018-07-25 |
| 2402:de00:9200::/48 | | 2018-07-25 |
| 2402:de00:ffff::/48 | | 2018-07-25 |
| 2402:f400::/32 | PIRANHA Our company is Korea's ISP 48-14 2F Ganseok-dong Namdong-gu Incheon Piranha Systems | 2018-07-25 |
| 2402:f400::/33 | | 2018-07-25 |
| 2402:f400::/48 | | 2018-07-25 |
| 2403:3700::/32 | DIRECTHOSTING 1203 Ace High-End Tower 505-18, Gasan-dong Geumcheon-gu Seoul | |
| 2403:3e00::/32 | GNJ Our company is Korea's ISP 767, Anyang-dong Manan-gu, Anyang-si Gyeonggi-do Gyeonggi-do G&J, LTD. | 2018-07-25 |
| 2403:6300::/32 | KCNNET 323-1, Sinyong-dong Iksan-si JEOLLABUK-DO Keumgang Cable Network | |
| 2403:6500::/32 | CMBI-NETDJ 95-3, CMB Building, Seonhwa-dong Jung-gu Daejeon-si CMB Daejeon Broadcasting Co,.Ltd | 2018-07-25 |
| 2404:180::/28 | Samsung Networks Inc Our company is Korea's ISP 159-12,Asem Tower,Samsung-Dong, Kangnam-gu SEOUL SamsungSDS Inc. | 2017-03-09 |
| 2404:188::/32 | | 2016-10-08 |
| 2404:18a::/32 | | 2017-03-10 |
| 2404:800::/32 | HAIONNET Our company is Korea's ISP 2F, Daean Bldg, 935-44,Guro-gu Guro 3(sam)-dong EnC Venture Dream Tower 3-cha Seoul HAIonNet | |
| 2404:2040::/32 | | 2024-05-10 |
| 2404:2300::/32 | CMBINETHK 4(sa)-ga, Yeongdeungpo-gu, Yangpyeong-dong, Seoul-si CMB | 2018-07-25 |
| 2404:2880::/32 | Vinophil Marketing LLC | 2018-07-25 |
| 2404:4600::/32 | DAUM Our company is Korea's ISP 714, Hannam-dong Yongsan-gu Seoul Daum Communication Co.,LTD | 2011-05-03 |
| 2404:4600:1::/48 | | 2016-04-20 |
| 2404:4600:2::/48 | | 2016-04-20 |
| 2404:4600:3::/48 | | 2016-04-20 |
| 2404:4600:4::/48 | | 2016-04-20 |
| 2404:4600:5::/48 | | 2016-04-20 |
| 2404:4600:6::/48 | | 2016-05-25 |
| 2404:4600:7::/48 | | 2016-05-14 |
| 2404:4600:fce::/48 | | 2016-04-20 |
| 2405:4c0::/32 | Equinix Korea LLC Equinix Korea LLC | 2020-01-25 |
| 2405:3500::/32 | KDTIDC 8F, Sindorim technomart Guro 5(o)-dong Guro-gu Seoul | |
| 2405:3d00::/32 | Yonsei Univ Yonsei Univ. Sinchon-dong Seodaemun-gu Seoul | |
| 2405:3d00:200::/48 | | 2018-07-25 |
| 2405:3d00:201::/48 | | 2018-07-25 |
| 2405:3d00:202::/48 | | 2018-07-25 |
| 2405:3d00:224::/48 | | 2018-07-25 |
| 2405:3d00:5200::/48 | | 2018-07-25 |
| 2405:3d00:5201::/48 | | 2018-07-25 |
| 2405:3d00:5202::/48 | | 2018-07-25 |
| 2405:3d00:5224::/48 | | 2018-07-25 |
| 2405:4300::/32 | ULNETWORKS 4F 287-2, Hongje-dong, Seodaemun-gu, Seoul | |
| 2405:5800::/32 | TCNHINET Our company is Korea's ISP 2270-41 Namsan 4-dong Jung-gu DAEGU Seoul TCN Daegu Broadcasting Co., Ltd | 2021-02-25 |
| 2405:5f00::/32 | Netropy 43-1, Songpa-dong, Songpa-gu, Seoul-si NETROPY CO.,Ltd | |
| 2405:7b00::/32 | CJ-HELLOVISION 1254, sinjeongdong, yangcheongu, Seoul CJ-HELLOVISION | 2020-09-07 |
| 2405:7b00:100::/40 | | 2025-04-24 |
| 2405:8600::/32 | SK-NET Our company is Korea's ISP 25-1 Jeongja-dong Bundang-gu Seongnam-si Gyeonggi-do | |
| 2405:8dc0::/32 | | 2020-01-25 |
| 2405:9500::/32 | SAERONET 274-9, Gumi-si, Songjeong-dong, Gyeongsangbuk-do Saero Network Service LTD | |
| 2405:c000::/32 | eGIOSNET Our company is Korea's ISP 6F Sampung B/D ,310-68 Euljiro4ga, Junggu Seoul eGIOS | |
| 2405:d880::/32 | NHN Entertainment | |
| 2406:1ac0::/32 | KAKAO Enterprise KAKAO Enterprise | |
| 2406:4000::/32 | Tbroad Nakdong Broadcasting co Ltd Our company is Korea's ISP 152-2 gamjeondong sasanggu BUSAN Tbroad Nakdong Broadcasting co.,L | 2021-04-15 |
| 2406:5900::/32 | XPEED 1600, Sangam-dong Mapo-gu Seoul LG POWERCOMM | 2015-05-01 |
| 2406:6600::/32 | NOWCOM Our company is Korea's ISP 625 Pangyo Seven Venture Valley, 1 Complex 2-901 Sampyeong-dong Bundang-gu, Seongnam-si Gyeong | 2018-07-25 |
| 2406:6800::/32 | KDATA Our company is Korea's ISP 1016-2 hyel 325 Ingye-dong Paldal-gu Suwon-si Gyeonggi-do Seoul KOREA DATA | |
| 2406:6a00::/32 | SONYKorea Our company is KRNIC's member 40-7, Cheongdam-dong, Gangnam-gu Seoul | |
| 2406:ad00::/32 | HOSTWAY 343-1 Yatap-dong Bundang-gu Seongnam-si KYONGGI Hostway IDC | |
| 2406:b000::/32 | CMB Kwnagju Easten Broadcasting Our company is Korea's ISP 152-2 gamjeondong sasanggu GWANGJU CMB Kwnagju Easten Broadcasting | |
| 2406:d000::/32 | NIAv6Net Our company is Korea's ISP 77, Mugyo-dong Jung-gu Seoul, 100-170 Seoul National Infomation Society Agency | |
| 2406:d700::/32 | VTOPIA 300-4, Seongsu-dong, 2ga, Seongdong-gu, Seoul-si VTOPIA | |
| 2407:b00::/32 | EHOSTIDC 1509, STX V Tower Gasan-dong Geumcheon-gu Seoul EHOSTIDC | |
| 2407:2000::/32 | GREEN CABLE TELEVISION STATION Our company is Korea's ISP 68-4 Gamsam-dong Dalseo-gu DAEGU GREEN CABLE TELEVISION STATION | |
| 2407:3500::/32 | HyosungITX 16F,Yeongdeungpo-gu Yangpyeong-dong 4(sa)-ga Seoul HyosungITX | 2018-07-25 |
| 2407:5080::/32 | WEBZEN Inc. | |
| 2407:5180::/32 | pearlabyss | |
| 2407:64c0::/32 | | 2024-03-23 |
| 2407:6500::/32 | TBROAD GANGSEO 969-7, Hwagok-dong , Gangseo-gu, Seoul TBROAD GANGSEO | 2021-04-15 |
| 2407:6700::/32 | Tbroad Namdong broadcasting 10F, Heungkuk Bldg, 1124, Guwol-dong, Namdong-gu, Incheon Tbroad Namdong broadcasting | 2021-04-15 |
| 2407:77c0::/32 | | 2024-07-10 |
| 2407:9100::/32 | TBROAD Saerom Broadcasting 10F, Heungkuk Bldg, Guwol-dong, Namdong-gu, Incheon | 2021-04-15 |
| 2407:9740::/32 | | 2022-07-17 |
| 2407:9b80::/32 | KOREA KAKAO CORP | |
| 2407:b200::/32 | HINETWORKS Our company is Korea's ISP 790-11, Yeoksam-dong Gangnam-gu Seoul | 2018-07-25 |
| 2407:b800::/32 | CMBINET Our company is Korea's ISP 203-3, Juan-dong, Nam-gu Incheon Namincheon Brodcasting Co., Ltd. | |
| 2407:b800:1::/48 | | 2017-03-27 |
| 2407:b800:2::/48 | | 2017-03-27 |
| 2407:b800:3::/48 | | 2017-03-27 |
| 2407:c000::/32 | KTv6NET Our company is Korea's ISP Korea Telecom Reserch Group Umyeondong Sechogu Seoul National Infomation Society Agency | 2007-11-19 |
| 2407:c700::/32 | TBROAD Daegu Broadcasting 1-dong, Daemyeong, Nam-gu, DAEGU | 2021-04-15 |
| 2407:d100::/32 | 450 Gongdeok-dong, Mapo-gu | |
| 2a01:ce9f::/36 | Orange Business Services Internet | 2012-03-04 |
| 2a01:ce9f::/48 | Orange Business Services Internet | 2012-03-04 |
| 2a0f:3ec0::/29 | | 2021-09-23 |
| 2a13:140::/29 | | |
: this site participated at the World IPv6 Day in 2011.
: this site has removed the IPv6 access after the World IPv6 Day (fear?).
