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 |
|---|---|---|---|---|
| AS23562 | Government | 2 | 0 | BUSAN CITY ENVIRONMENTAL INSTALLATIONS CORP |
| AS23572 | Other Business | 2 | 0 | American International Assurance Company Korea |
| AS23971 | Other Business | 2 | 0 | CHUGYE UNIVERSITY FOR THE ARTS |
| AS23980 | Education | 2 | 0 | Yeungnam University |
| AS38116 | Other Business | 2 | 0 | KCTC |
| AS38126 | Other Business | 2 | 0 | Seoul Information Service Inc. |
| AS3813 | Education | 2 | 0 | Sogang University |
| AS38421 | Other Business | 2 | 0 | Mirae Asset Investment Management Co., Ltd. |
| AS38433 | Other Business | 2 | 0 | Korea Fund Administration Compliance |
| AS38665 | Other Business | 2 | 0 | KCTC |
| AS38674 | Education | 2 | 0 | NLCS Jeju |
| AS38693 | Other Business | 2 | 0 | Korea Transportation Safety Authority |
| AS38696 | Education | 2 | 0 | Korea Brain Research Institute |
| AS38708 | Other Business | 2 | 0 | EXPORT-IMPORT BANK OF KOREA |
| AS38709 | Other Business | 2 | 0 | NICEPAYMENTS.CO |
| AS45362 | Other Business | 2 | 0 | TRUSTONASSET |
| AS45364 | Other Business | 2 | 0 | YTN |
| AS45368 | Other Business | 2 | 0 | KYONGNAMBANK |
| AS45391 | Other Business | 2 | 0 | American Home Assurance Korea |
| AS45404 | Other Business | 2 | 0 | SHINHAN LIFE INSURANCE CO.,LTD. |
| AS45409 | Other Business | 2 | 0 | KBCAPITAL |
| AS45968 | Education | 2 | 0 | KONAI |
| AS45969 | Other Business | 2 | 0 | INICIS Co., Ltd |
| AS45970 | Other Business | 2 | 0 | Toyo Engineering Korea |
| AS45971 | Government | 2 | 0 | Financial Security Institute |
| AS45986 | Government | 2 | 0 | Korea Internet Security Agency |
| AS45987 | Other Business | 2 | 0 | Dongwha Enterprise Co. Ltd. |
| AS45988 | Government | 2 | 0 | KOREA CREDIT GUARANTEE FUND |
| AS45992 | Other Business | 2 | 0 | Construction Guarantee Cooperative |
| AS45993 | Other Business | 2 | 0 | SHINBUNDANG RAILROAD |
| AS45998 | Government | 2 | 0 | National Medical Center |
| AS46000 | Other Business | 2 | 0 | KB Insurance |
| AS46006 | Other Business | 2 | 0 | Cafe24 Corp. |
| AS55585 | Other Business | 2 | 0 | CAPE Investment Securitie Co., Ltd. |
| AS55591 | Other Business | 2 | 0 | Korea Institute for Curriculum and Evaluation |
| AS55598 | Government | 2 | 0 | Korea Environmental Technology Industry Institute |
| AS55606 | Other Business | 2 | 0 | Hanwha Ocean Co., Ltd. |
| AS55620 | Government | 2 | 0 | KNOC |
| AS55623 | Other Business | 2 | 0 | Korea Insurance Development Institute |
| AS55630 | Other Business | 2 | 0 | KSNET.Inc |
| AS7622 | Education | 2 | 0 | Korea Advanced Institute of Science and Technology |
| AS9454 | Other Business | 2 | 0 | Watch Tower Bible and Tract Society of Korea |
| AS9493 | Other Business | 2 | 0 | HMC SECURITIES CO., LTD. |
| AS9630 | Other Business | 2 | 0 | SK Securities Limited |
| AS9683 | Government | 2 | 0 | Seoul Facilities Corporation |
| AS9685 | Education | 2 | 0 | KOAT |
| AS9766 | Other Business | 2 | 0 | SHINHAN LIFE INSURANCE CO.,LTD. |
| AS9774 | Education | 2 | 0 | Dongseo University |
| AS9841 | Other Business | 2 | 0 | Korea Financial Investment Association |
| AS9847 | Other Business | 2 | 0 | Korea Securities Finance Corporation |
| AS9851 | Other Business | 2 | 0 | KOREA UNIVERSITY OF MEDIA ARTS |
| AS9854 | Government | 2 | 0 | KTO |
| AS9863 | Other Business | 2 | 0 | Hana Insurance Co., Ltd. |
| AS9947 | ISP & Mobile | 2 | 0 | kt cloud Co., Ltd |
| AS9961 | Other Business | 2 | 0 | KoreaFederationOfSavingsBanks |
| AS9966 | Other Business | 2 | 0 | TaeguTec |
| AS9969 | Education | 2 | 0 | Korea National University of Cultural Heritage |
| AS9977 | Government | 2 | 0 | Korea Internet Security Agency |
| AS152671 | Education | 1 | 2 | SPARCS |
| AS206439 | Other Business | 1 | 2 | Minseo Kim |
| AS215343 | Other Business | 1 | 2 | Minjae Kim |
| AS142273 | Hosting Provider | 1 | 1 | Digital Realty Korea Ltd. |
| AS153894 | Hosting Provider | 1 | 1 | Bada Communications |
| AS198840 | Other Business | 1 | 1 | YUJUN KIM trading as ALCLOUD |
| AS200140 | Other Business | 1 | 1 | Hanseung Kim |
| AS202002 | Other Business | 1 | 1 | Jihun Lee |
| AS214189 | Other Business | 1 | 1 | Doyeon Lee |
| AS10037 | Other Business | 1 | 0 | EUGENE INVESTMENT FUTURES Co.,Ltd. |
| AS10038 | Other Business | 1 | 0 | NHNCLOUD |
| AS10155 | Other Business | 1 | 0 | KOSME |
| AS10161 | Government | 1 | 0 | QIA |
| AS10168 | Other Business | 1 | 0 | Standard Chartered |
| AS10177 | Other Business | 1 | 0 | FUBON HYUNDAI LIFE INSURANCE CO.,LTD |
| AS10180 | Education | 1 | 0 | Duksung Womens University |
| AS10187 | Government | 1 | 0 | Korea Information Society Developement Institute |
| AS10194 | Other Business | 1 | 0 | Doosan Enerbility co., LTD. |
| AS131096 | Other Business | 1 | 0 | Master Motors Management |
| AS131097 | Government | 1 | 0 | KEAD |
| AS131798 | Other Business | 1 | 0 | Sangsang Networks Co., Ltd. |
| AS131808 | Other Business | 1 | 0 | KOREA WESTERN POWER |
| AS131811 | Other Business | 1 | 0 | KOOKMIN BANK |
| AS131821 | Other Business | 1 | 0 | Korea Investment Real Asset Management Co., Ltd |
| AS131827 | Other Business | 1 | 0 | jejubank |
| AS131828 | Hosting Provider | 1 | 0 | KAKAO Enterprise |
| AS131834 | Other Business | 1 | 0 | LeeKo |
| AS131838 | Other Business | 1 | 0 | eBEST INVESTMENTSECURITIES |
| AS131839 | Other Business | 1 | 0 | mmaa |
| AS131840 | Other Business | 1 | 0 | JT Savings Bank |
| AS131842 | Government | 1 | 0 | Office of the president |
| AS131843 | Other Business | 1 | 0 | Korea Investment Management CO. |
| AS131845 | Other Business | 1 | 0 | KOREA INVESTMENT VALUE ASSET MANAGEMENT Co., Ltd. |
| AS131847 | Other Business | 1 | 0 | Korea District Heating Corporation |
| AS131848 | Other Business | 1 | 0 | YUHAN |
| AS131851 | Other Business | 1 | 0 | Hana Insurance Co., Ltd. |
| AS131859 | Other Business | 1 | 0 | HYUNDAI COMMERCIAL INC. |
| AS131860 | Other Business | 1 | 0 | Nonghyup Property and Casualty Insurance Co.,Ltd |
| AS131869 | Education | 1 | 0 | UST |
| AS131871 | Other Business | 1 | 0 | HYUNDAICARD CO. |
| AS131877 | Other Business | 1 | 0 | sangsangin savings bank |
| AS131878 | Other Business | 1 | 0 | HYUNDAICARD CO. |