A list of all South Korea ASNs including hosting providers, ISPs, and businesses with announced IPv4 and IPv6 prefixes.
| ASN | Type | IPv4 Routes | IPv6 Routes | Company |
|---|---|---|---|---|
| AS131873 | Other Business | 6 | 0 | HARIM |
| AS131882 | Education | 6 | 0 | Chungnam National University Hospital |
| AS152291 | Other Business | 6 | 0 | NHNCLOUD |
| AS17879 | Government | 6 | 0 | Rural Development Administration (RDA) |
| AS18029 | Other Business | 6 | 0 | Daejeon Helath Sciences College |
| AS18303 | Other Business | 6 | 0 | SMARTRO |
| AS18314 | Other Business | 6 | 0 | Hana Card |
| AS18331 | Education | 6 | 0 | Daejeon Institute of Science and Technology |
| AS23558 | Education | 6 | 0 | KepcoNF |
| AS23585 | Other Business | 6 | 0 | Ministry of Justice |
| AS23592 | Government | 6 | 0 | Ministry of Food and Drug Safety |
| AS23975 | Other Business | 6 | 0 | Yonam Institute of Technology |
| AS38088 | Government | 6 | 0 | KOREA EAST-WEST POWER |
| AS38104 | Other Business | 6 | 0 | Hyejeon University |
| AS38130 | Other Business | 6 | 0 | SamsungSDS Inc. |
| AS38131 | Education | 6 | 0 | Mokpo National Maritime University |
| AS38431 | Other Business | 6 | 0 | KB Insurance |
| AS38683 | Government | 6 | 0 | National Electoin Commission |
| AS38700 | Hosting Provider | 6 | 0 | SMILESERV |
| AS4202 | Other Business | 6 | 0 | ottogi.co.kr |
| AS45377 | Other Business | 6 | 0 | Jeju Special Self Governing Provincial office of Education |
| AS55604 | Government | 6 | 0 | KOMSCO |
| AS55613 | Other Business | 6 | 0 | KOREA APPRAISAL BOARD |
| AS55617 | Other Business | 6 | 0 | The Kwangju Bank Ltd. |
| AS9531 | Government | 6 | 0 | Gwangju Education Research Information Service |
| AS9632 | Other Business | 6 | 0 | SEOUL DAIRY CO-OP. |
| AS9640 | Government | 6 | 0 | Korea Internet Security Agency |
| AS9704 | Other Business | 6 | 0 | DONGWON INDUSTRIES |
| AS9759 | Other Business | 6 | 0 | HIINVESTMENT SECURITIES CO., LTD |
| AS9846 | Other Business | 6 | 0 | KPN |
| AS9971 | ISP & Mobile | 6 | 0 | SK Broadband Co Ltd |
| AS23596 | Government | 5 | 4 | Korea Internet Security Agency |
| AS18328 | Other Business | 5 | 1 | Dotname Korea Corp |
| AS10058 | Other Business | 5 | 0 | NACUFOK |
| AS10062 | Education | 5 | 0 | Branksome Hall Asia |
| AS10166 | Other Business | 5 | 0 | Korea Water Resources Corporation |
| AS10196 | Other Business | 5 | 0 | KOOKMIN BANK |
| AS131803 | Other Business | 5 | 0 | HOBAN CONSTRUSION |
| AS152202 | Other Business | 5 | 0 | NCIDS |
| AS17575 | Education | 5 | 0 | Chung-Ang University |
| AS17611 | Other Business | 5 | 0 | Korea Housing Finance Corporation |
| AS17614 | Education | 5 | 0 | Geumgang University |
| AS17615 | Education | 5 | 0 | Chongju University |
| AS17861 | Education | 5 | 0 | KyungNam College of Information Technology |
| AS18169 | Other Business | 5 | 0 | MEMC Korea |
| AS18317 | Other Business | 5 | 0 | SHINHAN DS |
| AS18324 | Education | 5 | 0 | Masan College |
| AS18325 | Other Business | 5 | 0 | Korea Christian University |
| AS23555 | Other Business | 5 | 0 | Shinhan Bank |
| AS23578 | ISP & Mobile | 5 | 0 | SK Broadband Co Ltd |
| AS23593 | Other Business | 5 | 0 | bkl LLC |
| AS38089 | Other Business | 5 | 0 | kbank |
| AS38112 | Other Business | 5 | 0 | Korea Housing Urban Guarantee Corporation |
| AS38124 | Other Business | 5 | 0 | iM DS Co.,Ltd. |
| AS38404 | Other Business | 5 | 0 | Gyeonggi Provincial Bucheon Office of Education |
| AS38660 | Other Business | 5 | 0 | KHNP |
| AS38679 | Other Business | 5 | 0 | KPN |
| AS38682 | Education | 5 | 0 | National Institute of Environmental Research |
| AS38686 | Other Business | 5 | 0 | Tmoney co., ltd |
| AS45389 | Other Business | 5 | 0 | Jeonbuk State office of Education Future Education Research Institute |
| AS45973 | Government | 5 | 0 | KOTRA |
| AS45989 | Other Business | 5 | 0 | KL-Net Corp. |
| AS9492 | Other Business | 5 | 0 | Maeil Business Newspaper |
| AS9521 | Other Business | 5 | 0 | Korea Automotive Technology Institute |
| AS9522 | Other Business | 5 | 0 | Shinhan Securities Co.,Ltd. |
| AS9692 | Other Business | 5 | 0 | Hanwha Investment Securities Co., Ltd. |
| AS9707 | Other Business | 5 | 0 | Korea Employment Information Management Agency |
| AS9763 | Government | 5 | 0 | KIC for Agriculture |
| AS9773 | Other Business | 5 | 0 | HancomWITH |
| AS9850 | Other Business | 5 | 0 | WOW-TV |
| AS9967 | Other Business | 5 | 0 | kbcard |
| AS9968 | Other Business | 5 | 0 | KYOBO Life Insurance Co., Ltd. |
| AS23599 | Government | 4 | 3 | Korea Internet Security Agency |
| AS10051 | Other Business | 4 | 0 | Korea Post Information Center |
| AS10055 | Government | 4 | 0 | Korean National Railroad Administration |
| AS10061 | Government | 4 | 0 | Financial Supervisory Service |
| AS10069 | Other Business | 4 | 0 | Seoul Metro |
| AS10154 | Other Business | 4 | 0 | DUNAMU |
| AS10156 | Education | 4 | 0 | Seoul National University of Education |
| AS10162 | Education | 4 | 0 | SNUH |
| AS10181 | Other Business | 4 | 0 | Korea Register of Shipping |
| AS10184 | Other Business | 4 | 0 | Korean Federation of Community Credit Cooperatives |
| AS10188 | Education | 4 | 0 | Songdo Chadwick international School |
| AS10192 | Other Business | 4 | 0 | kiwoom Securities.co.,Ltd |
| AS131802 | Other Business | 4 | 0 | NongHyup Life Insurance |
| AS131810 | Other Business | 4 | 0 | KOOKMIN BANK |
| AS131824 | Other Business | 4 | 0 | OKDATASYSTEM |
| AS131835 | Other Business | 4 | 0 | samyangfoods.co |
| AS131868 | Government | 4 | 0 | SeoulEnergyCorporation |
| AS152226 | Other Business | 4 | 0 | PARADISE |
| AS152279 | Other Business | 4 | 0 | WOORI INVESTMENT SECURITIES CO., LTD. |
| AS152283 | Other Business | 4 | 0 | Korea Elevator Safety Agency |
| AS153589 | Other Business | 4 | 0 | VOLVO GROUP KOREA CO LTD, Construction Equipment Seoul |
| AS1704 | Education | 4 | 0 | Korea Advanced Institute of Science and Technology |
| AS17581 | Other Business | 4 | 0 | MIRAE ASSET SECURITIES CO., LTD. |
| AS17585 | Government | 4 | 0 | Public Procurement Service The Republic of Korea |
| AS17587 | Other Business | 4 | 0 | HANSOL GYOYOOK |
| AS17602 | Other Business | 4 | 0 | CRETEC CHEGIM |
| AS17855 | Other Business | 4 | 0 | HANNET Co.,Ltd. |
| AS17868 | Other Business | 4 | 0 | Hyupsung University |