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 |
|---|---|---|---|---|
| AS45977 | Other Business | 3 | 0 | CANON KOREA INC. |
| AS45979 | Other Business | 3 | 0 | KB DATA SYSTEMS |
| AS45990 | Government | 3 | 0 | Health Insurance Review Assessment Service |
| AS4756 | Education | 3 | 0 | Korea National Police University |
| AS55588 | Other Business | 3 | 0 | Information Technology Center |
| AS55596 | Other Business | 3 | 0 | Gachon University Gil Hospital |
| AS9487 | Government | 3 | 0 | Korea Technology Finance Corporation |
| AS9490 | Other Business | 3 | 0 | Oscar Enterprise |
| AS9527 | Other Business | 3 | 0 | VP |
| AS9570 | Other Business | 3 | 0 | Jeonbuk Bank |
| AS9571 | Other Business | 3 | 0 | INICIS Co., Ltd |
| AS9575 | Other Business | 3 | 0 | KCTC |
| AS9577 | Other Business | 3 | 0 | KYOBO SECURITIES |
| AS9629 | Other Business | 3 | 0 | HYUNDAICARD CO. |
| AS9643 | Other Business | 3 | 0 | KICA |
| AS9771 | Other Business | 3 | 0 | Media Synnara |
| AS9772 | Other Business | 3 | 0 | Jeonbuk Bank |
| AS9866 | Other Business | 3 | 0 | Shinhan card |
| AS9948 | Other Business | 3 | 0 | NICE TCM |
| AS151349 | Hosting Provider | 2 | 5 | Yuki Network Ltd |
| AS131812 | Other Business | 2 | 1 | Humax Networks, INC. |
| AS152213 | Other Business | 2 | 1 | MogSoft Co., Ltd. |
| AS10039 | Government | 2 | 0 | Korea Health Industry Development Institute |
| AS10043 | Government | 2 | 0 | Ministry of Science and ICT |
| AS10050 | Government | 2 | 0 | The National Library of Korea |
| AS10064 | Other Business | 2 | 0 | expernet |
| AS10065 | Other Business | 2 | 0 | NICE TCM |
| AS10070 | Other Business | 2 | 0 | KRISS SubDAEJONnetworks connected to backbone |
| AS10072 | Other Business | 2 | 0 | Shinhan Bank |
| AS10170 | Government | 2 | 0 | The Bank of Korea |
| AS10173 | Other Business | 2 | 0 | KSNET.Inc |
| AS10191 | Other Business | 2 | 0 | SEEGENE MEDICAL FOUNDATION |
| AS10193 | Other Business | 2 | 0 | BUSANBANK |
| AS10198 | Education | 2 | 0 | Catholic University of Pusan |
| AS131098 | Government | 2 | 0 | Korea Internet Security Agency |
| AS131099 | Government | 2 | 0 | Korea Internet Security Agency |
| AS131101 | Other Business | 2 | 0 | BNK SYSTEM |
| AS131794 | Other Business | 2 | 0 | KYOBO AXA INVESTMENT MANAGERS Co., Ltd. |
| AS131797 | Government | 2 | 0 | National Medical Center |
| AS131804 | Other Business | 2 | 0 | Seoul Regional Correction Headquarters |
| AS131805 | Other Business | 2 | 0 | NHSAVINGSBANK |
| AS131806 | Other Business | 2 | 0 | KCTC |
| AS131814 | Other Business | 2 | 0 | Presbyterian Medical Center |
| AS131815 | Other Business | 2 | 0 | Nonghyup Property and Casualty Insurance Co.,Ltd |
| AS131816 | Other Business | 2 | 0 | IBK Insurance |
| AS131817 | Other Business | 2 | 0 | Hecto Innovation Co., Ltd |
| AS131825 | Other Business | 2 | 0 | KCTC |
| AS131829 | Other Business | 2 | 0 | SBI SAVINGS BANK |
| AS131836 | Other Business | 2 | 0 | Firstfire Marine Insurance |
| AS131841 | Other Business | 2 | 0 | Pulmuone |
| AS131844 | Other Business | 2 | 0 | Nonghyup Property and Casualty Insurance Co.,Ltd |
| AS131846 | Government | 2 | 0 | GYEONGGI-DO FIRE SERVICES |
| AS131850 | Other Business | 2 | 0 | Hana Insurance Co., Ltd. |
| AS131852 | Other Business | 2 | 0 | EUGENE INVESTMENT FUTURES Co.,Ltd. |
| AS131853 | Other Business | 2 | 0 | MYONGJI HOSPITAL |
| AS131856 | Other Business | 2 | 0 | WONJU SEVERANCE CHRISTIAN HOSPITAL |
| AS131857 | Other Business | 2 | 0 | KCTC |
| AS131872 | Government | 2 | 0 | IITP |
| AS152197 | Government | 2 | 0 | Busan Port Authority |
| AS152200 | Other Business | 2 | 0 | SMBS |
| AS152206 | Other Business | 2 | 0 | KCTC |
| AS152212 | Government | 2 | 0 | Korea Institute of Science and Technology Evaluation and Planning |
| AS152219 | Other Business | 2 | 0 | nextrade |
| AS152221 | Other Business | 2 | 0 | YonhapnewsTV |
| AS152223 | Other Business | 2 | 0 | AIRZETA CO.,LTD |
| AS152228 | Other Business | 2 | 0 | Woowa Brothers Corp. |
| AS152229 | Other Business | 2 | 0 | Coupang Inc |
| AS152230 | Other Business | 2 | 0 | Woowa Brothers Corp. |
| AS152282 | Other Business | 2 | 0 | National Fire Hospital |
| AS152284 | Other Business | 2 | 0 | Daewoo Information Systems |
| AS152287 | Other Business | 2 | 0 | HANWHALIFE |
| AS152288 | Other Business | 2 | 0 | KOSPO |
| AS152289 | Other Business | 2 | 0 | KIMCHANG |
| AS154270 | Other Business | 2 | 0 | VOLVO GROUP KOREA CO LTD, Construction Equipment Seoul |
| AS17576 | Government | 2 | 0 | National Research Foundation of Korea |
| AS17582 | Government | 2 | 0 | Korea Investment Corporation |
| AS17588 | Other Business | 2 | 0 | The Daegu Bank, Ltd |
| AS17591 | Government | 2 | 0 | National Research Foundation of Korea |
| AS17601 | Government | 2 | 0 | KOREA CREDIT GUARANTEE FUND |
| AS17603 | Education | 2 | 0 | Kum oh National University of Technology (KNUT) |
| AS17605 | Other Business | 2 | 0 | KTNG Coporation |
| AS17836 | Other Business | 2 | 0 | IBK Securities |
| AS17844 | Government | 2 | 0 | National Pension Service |
| AS17860 | Other Business | 2 | 0 | Webzen Inc. |
| AS17867 | Other Business | 2 | 0 | KOREA BANKING INSTITUTE |
| AS17869 | Other Business | 2 | 0 | Supreme Court of Korea |
| AS18032 | Other Business | 2 | 0 | SHINHAN DS |
| AS18175 | Education | 2 | 0 | KPS |
| AS18299 | Other Business | 2 | 0 | BNK Securities Co.,Ltd |
| AS18308 | Other Business | 2 | 0 | POONGSAN |
| AS18309 | Other Business | 2 | 0 | Korea VAn Service Co.LTD |
| AS18311 | Other Business | 2 | 0 | CNCITY energy CO.,LTD |
| AS18312 | Government | 2 | 0 | Korea Asset Management COrporation |
| AS18333 | Other Business | 2 | 0 | at(Korea Argo-Fisheries Food Trade Corporation) |
| AS18336 | Government | 2 | 0 | Korea Institute of Oriental Medicine |
| AS18339 | Other Business | 2 | 0 | daewonpharm |
| AS18341 | Education | 2 | 0 | Gumi College |
| AS202437 | Other Business | 2 | 0 | Heo Jun trading as ParkAppsHouse |
| AS213800 | Other Business | 2 | 0 | JAIYEON SIM |
| AS23557 | Other Business | 2 | 0 | Elice inc. |