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 |
|---|---|---|---|---|
| AS131881 | Government | 1 | 0 | National Medical Center |
| AS131886 | Other Business | 1 | 0 | tosscx |
| AS131890 | Other Business | 1 | 0 | Tmoney co., ltd |
| AS136800 | Hosting Provider | 1 | 0 | MOACK.Co.LTD |
| AS142262 | Other Business | 1 | 0 | 434480 |
| AS152203 | Other Business | 1 | 0 | KOREA SOUTH EAST POWER |
| AS152207 | Other Business | 1 | 0 | KART, KIDI |
| AS152208 | Other Business | 1 | 0 | KART, KIDI |
| AS152209 | Other Business | 1 | 0 | Eromnet Inc |
| AS152215 | Other Business | 1 | 0 | Korea Insurance Development Institute |
| AS152216 | Other Business | 1 | 0 | Korea Insurance Development Institute |
| AS152217 | Government | 1 | 0 | Korea Gas Safety Corporation |
| AS152218 | Other Business | 1 | 0 | HANA CAPITAL |
| AS152220 | Other Business | 1 | 0 | Hanwha Asset Management |
| AS152222 | Other Business | 1 | 0 | HYUNDAI COMMERCIAL INC. |
| AS152224 | Other Business | 1 | 0 | HYUNDAI COMMERCIAL INC. |
| AS152231 | Hosting Provider | 1 | 0 | Quantil, Inc. Korea |
| AS152233 | Other Business | 1 | 0 | trizn inc. |
| AS152280 | Other Business | 1 | 0 | MG Credit Information |
| AS152285 | Other Business | 1 | 0 | welcomepayments |
| AS152294 | Other Business | 1 | 0 | KIS Information Communication,Inc |
| AS153993 | Other Business | 1 | 0 | SKH Systems |
| AS17580 | Government | 1 | 0 | National Pension Service |
| AS17594 | Other Business | 1 | 0 | SMBS |
| AS17606 | Other Business | 1 | 0 | SM LINE CORPORATION |
| AS17840 | Other Business | 1 | 0 | KECA, Inc. |
| AS17842 | Other Business | 1 | 0 | Kangwon Land,Inc. |
| AS17843 | Education | 1 | 0 | Sahmyook University |
| AS17846 | ISP & Mobile | 1 | 0 | SK Broadband Co Ltd |
| AS17866 | Education | 1 | 0 | Korea Institute of Science and Technology |
| AS17874 | Government | 1 | 0 | National Pension Corporation |
| AS17875 | Other Business | 1 | 0 | ec-bank |
| AS17876 | Other Business | 1 | 0 | Ahnlab, Inc. |
| AS18298 | Education | 1 | 0 | Chungnam National University |
| AS18321 | Other Business | 1 | 0 | KRAFTON INC |
| AS18332 | Other Business | 1 | 0 | postopia |
| AS18340 | Other Business | 1 | 0 | SBKorea |
| AS202348 | Other Business | 1 | 0 | Young Min Kim trading as Ylem |
| AS23558 | Education | 1 | 0 | KepcoNF |
| AS23560 | Other Business | 1 | 0 | MetLife Korea |
| AS23574 | Other Business | 1 | 0 | KISPricing |
| AS23586 | Education | 1 | 0 | Korean Council for University Education |
| AS23590 | Other Business | 1 | 0 | IBKCapital |
| AS23743 | Government | 1 | 0 | KOREA MIDLAND POWER |
| AS23972 | Other Business | 1 | 0 | HANA INVESTOR SERVICES |
| AS3748 | Education | 1 | 0 | Electronics and Telecommunications Research Institute |
| AS38093 | Other Business | 1 | 0 | HANATI |
| AS38102 | Other Business | 1 | 0 | SCOURTFAMILY |
| AS38108 | Other Business | 1 | 0 | NEXINNO |
| AS38111 | Other Business | 1 | 0 | HANA TI |
| AS38119 | Other Business | 1 | 0 | WITHSYSTEMS |
| AS38393 | Other Business | 1 | 0 | Homeplus Co., Ltd. |
| AS38418 | Government | 1 | 0 | KOREA APPRAISAL BOARD |
| AS38425 | Other Business | 1 | 0 | SEJONG NETWORKS |
| AS38429 | Other Business | 1 | 0 | Boryung Pharmaceutical Co.,Ltd. |
| AS38430 | Other Business | 1 | 0 | Shinhan card |
| AS38677 | Other Business | 1 | 0 | SMHiplus Corporation |
| AS3976 | Other Business | 1 | 0 | I.Net Technologies Inc. |
| AS4040 | Other Business | 1 | 0 | Korea Telecom |
| AS45360 | Other Business | 1 | 0 | SSANGYONG CEMENT INDUSTRY CO.,LTD |
| AS45375 | Other Business | 1 | 0 | Firstfire Marine Insurance |
| AS45394 | Education | 1 | 0 | KERIS |
| AS45397 | Other Business | 1 | 0 | KOREA ADVANCING SCHOOLS FOUNDATION |
| AS45398 | Hosting Provider | 1 | 0 | HiLine Internet Service Inc. |
| AS45406 | Other Business | 1 | 0 | AJU Internet Technology |
| AS45963 | Government | 1 | 0 | KIRAMS (Korea Institute of Radiological Medical Sciences) |
| AS45978 | Other Business | 1 | 0 | KIS Information Communication,Inc |
| AS45999 | Other Business | 1 | 0 | Korea Transportation Safety Authority |
| AS46004 | ISP & Mobile | 1 | 0 | SK Broadband Co Ltd |
| AS46007 | Other Business | 1 | 0 | RXN |
| AS46011 | Government | 1 | 0 | LX |
| AS55584 | Government | 1 | 0 | Korea Power Exchange |
| AS55594 | Other Business | 1 | 0 | KOOKMIN BANK |
| AS55597 | Government | 1 | 0 | National Cancer Center |
| AS55601 | Other Business | 1 | 0 | Electric Contractors Financial Cooperative |
| AS55605 | Other Business | 1 | 0 | daewonpharm |
| AS55609 | Government | 1 | 0 | Financial Security Institute |
| AS55619 | Other Business | 1 | 0 | Hana Life Insurance Co., Ltd. |
| AS7626 | Other Business | 1 | 0 | SCOURTFAMILY |
| AS9276 | Other Business | 1 | 0 | JT Chinae Savings Bank |
| AS9277 | ISP & Mobile | 1 | 0 | SK Broadband Co Ltd |
| AS9452 | Education | 1 | 0 | Korea University |
| AS9458 | Government | 1 | 0 | Public Officials Benefit Association |
| AS9525 | Other Business | 1 | 0 | DB Securities Co.,Ltd. |
| AS9529 | Other Business | 1 | 0 | hyundaicapital |
| AS9574 | Government | 1 | 0 | Teachers Pension |
| AS9579 | Other Business | 1 | 0 | Shinyoung Securities CO ., LTD. |
| AS9633 | Government | 1 | 0 | SUDOKWON Landfill Site Management Corp |
| AS9635 | Education | 1 | 0 | Pusan University of Foreign Studies |
| AS9636 | Other Business | 1 | 0 | NHNPayco |
| AS9690 | Other Business | 1 | 0 | SMARTRO |
| AS9709 | Other Business | 1 | 0 | KIS Information Communication,Inc |
| AS9755 | Government | 1 | 0 | Korea Internet Security Agency |
| AS9779 | Other Business | 1 | 0 | NH FUTURES |
| AS9844 | Other Business | 1 | 0 | Duruan |
| AS9861 | Other Business | 1 | 0 | Vi Asset Management Co., Ltd |
| AS9951 | Other Business | 1 | 0 | AMWAYKOREA |
| AS9953 | Other Business | 1 | 0 | Hyundai Engineering Construction Co., Ltd.(HDEC) |
| AS9960 | Other Business | 1 | 0 | The Daegu Bank, Ltd |
| AS9975 | Other Business | 1 | 0 | Gyeongsangbuk-do Education Research Institute |