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How South Korea ranks worldwide on dormant space, the transfer market, routing security and address density.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to South Korea over time.
The largest autonomous systems registered to South Korea by IPv4 footprint.
South Korea against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
1,177 autonomous systems registered to South Korea. Click an AS for detail.
| AS9316KR | DACOM-PUBNETPLUS-AS-KR-KR - DACOM-PUBNETPLUS | 1.8M | 17 |
| AS38091KR | HELLONET-AS-KR-KR - LG HelloVision Corp. | 1.6M | 121 |
| AS6619KR | SAMSUNGSDS-AS-KR-KR - SamsungSDS Inc. | 1.4M | 124 |
| AS9848KR | SejongTelecom-AS-KR-KR - SEJONG NETWORKS | 1.1M | 149 |
| AS9457KR | DREAMX-AS-KR - DREAMLINE CO. | 916.5K | 113 |
| KANGNUNG-AS-KR-KR - Gangneung-Wonju National University |
| 16.9K |
| — |
| 24 |
| AS18328KR | DOTNAME-AS-KR-KR - Dotname Korea Corp | 17.4K | 1 | 6 |
| AS38099KR | KAKAO-AS-KR-KR - Kakao Corp | 17.9K | 1 | 52 |
| AS23571KR | GWED-AS-KR-KR - Gangwon State Office of Education | 18.2K | — | 71 |
| AS38105KR | SCH-AS-KR-KR - SOON CHUN HYANG UNIVERSITY | 18.7K | — | 70 |
| AS131866KR | DEK-AS-KR-KR - Digital Edge Korea | 19.5K | 1 | 62 |
| AS23570KR | incheon-AS-KR-KR - UNIVERSITY OF INCHEON | 19.5K | — | 59 |
| AS18026KR | CHEJU-AS-KR-KR - JEJU NATIONAL UNIVERSITY | 20.2K | — | 17 |
| AS18319KR | YJNET-AS-KR-KR - YeungNam College of Science Technology | 20.7K | — | 7 |
| AS9868KR | CUTH-AS-KR - Catholic University of DAEGU | 21K | — | 13 |
| AS9578KR | CJNET-AS-KR - Cheiljedang.Co.Inc. | 21K | — | 72 |
| AS9530KR | SHINSEGAE-AS-KR - SHINSEGAE I C Co., Ltd. | 21K | — | 79 |
| AS17881KR | INETHOSTING-AS-KR-KR - Inet Hosting, Inc. | 21.2K | — | 83 |
| AS18023KR | KMU-AS-KR-KR - Korea Maritime and Ocean University | 21.8K | — | 41 |
| AS45382KR | EHOSTIDC-AS-KR-KR - Hostcenter | 22K | — | 86 |
| AS18330KR | HONGIK-AS-KR-KR - HONGIK UNIVERSITY | 22.8K | — | 13 |
| AS9526KR | KOSCOM-AS-KR-KR - KOSCOM | 23.3K | — | 44 |
| AS9459KR | ASKONKUK-KR - Konkuk University | 23.6K | — | 52 |
| AS18334KR | GCNCATV-AS-KR-KR - Gyounggidongbu cable tv co., Ltd. | 23.6K | — | 17 |
| AS10160KR | KDDIKOREA-AS-KR-KR - KDDI KOREA | 24.6K | — | 65 |
| AS9271KR | WKUNET-AS-KR - Wonkwang University | 24.6K | — | 4 |
| AS9323KR | DGUNET-AS-KR - DONGGUK University | 24.8K | — | 97 |
| AS45400KR | NICNET-KR - Korea Telecom | 25.3K | — | 98 |
| AS152205KR | IMOBI-AS-KR-KR - imobi inc, | 26.1K | — | 4 |
| AS18401KR | AS18401-AS-KR-KR - DAEGU UNIVERSITY | 27.6K | — | 25 |
| AS9708KR | pknu-as-KR - Pukyong National University | 27.9K | — | 27 |
| AS55615KR | DUZONBIZON-AS-KR-KR - DOUZONEBIZON | 27.9K | — | 109 |
| AS9270KR | APAN-KR-AS-KR - National Infomation Society Agency | 28.4K | 65.5K | 24 |
| AS38692KR | JBES-AS-KR-KR - Jeonbuk State office of Education Future Education Research Institute | 28.9K | — | 40 |
| AS10088KR | KWANGWOON-AS-KR-KR - KWANGWOON UNIVERSITY | 29.4K | — | 84 |
| AS10176KR | DJE-AS-KR-KR - Daejon Metropolitan Office of Education | 29.7K | — | 34 |
| AS18158KR | CBNU-AS-KR-KR - CHUNGBUK NATIONAL UNIVERSITY | 29.7K | — | 9 |
| AS9769KR | SEJONG-AS-KR - Sejong University | 29.7K | — | 15 |
| AS38107KR | CDNETWORKS-AS-KR-KR - CDNetworks | 30.5K | — | 48 |
| AS4792KR | NATECOMMS-AS-KR-KR - NATE Communications Corporation | 30.5K | — | 21 |
| AS55592KR | KDT-AS-KR-KR - Korea Data Telecommunication Co., Ltd. | 30.7K | — | 116 |
| AS18028KR | GSNU-AS-KR-KR - GyeongSang National University | 31K | — | 26 |
| AS38133KR | MULTINET-AS-KR-KR - CMB | 33K | — | 41 |
| AS23714KR | KMUCC-AS-KR-KR - Keimyung University | 33.8K | — | 18 |
| AS9524KR | HMC-AS-KR - Hyundai Autoever Corp. | 34.8K | — | 83 |
| AS9531KR | GEDU-AS-KR-KR - Gwangju Education Research Information Service | 36.1K | — | 6 |
| AS38705KR | DACOM-AS-KR-KR - KOREA DATA | 36.4K | — | 47 |
| AS45365KR | JBTV-AS-KR-KR - LG HelloVision Corp. | 37.9K | — | 40 |
| AS9712KR | KPIN-AS-KR-KR - INet Technologies Co., Ltd. | 39.2K | — | 24 |
| AS9528KR | CBE-AS-KR-KR - Chungcheongbuk-do Education Research and Information Institute | 39.7K | — | 155 |
| AS17862KR | KWNU-AS-KR-KR - Kangwon National University | 40.4K | — | 34 |
| AS17589KR | GABIA-AS-KR-KR - GABIA Inc. | 40.7K | — | 97 |