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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 |
| 24.6K |
| — |
| 65 |
| AS9271KR | WKUNET-AS-KR - Wonkwang University | 24.6K | — | 4 |
| AS9459KR | ASKONKUK-KR - Konkuk University | 23.6K | — | 52 |
| AS18334KR | GCNCATV-AS-KR-KR - Gyounggidongbu cable tv co., Ltd. | 23.6K | — | 17 |
| AS9526KR | KOSCOM-AS-KR-KR - KOSCOM | 23.3K | — | 44 |
| AS18330KR | HONGIK-AS-KR-KR - HONGIK UNIVERSITY | 22.8K | — | 13 |
| AS45382KR | EHOSTIDC-AS-KR-KR - Hostcenter | 22K | — | 86 |
| AS18023KR | KMU-AS-KR-KR - Korea Maritime and Ocean University | 21.8K | — | 41 |
| AS17881KR | INETHOSTING-AS-KR-KR - Inet Hosting, Inc. | 21.2K | — | 83 |
| AS9868KR | CUTH-AS-KR - Catholic University of DAEGU | 21K | — | 13 |
| AS9530KR | SHINSEGAE-AS-KR - SHINSEGAE I C Co., Ltd. | 21K | — | 79 |
| AS9578KR | CJNET-AS-KR - Cheiljedang.Co.Inc. | 21K | — | 72 |
| AS18319KR | YJNET-AS-KR-KR - YeungNam College of Science Technology | 20.7K | — | 7 |
| AS18026KR | CHEJU-AS-KR-KR - JEJU NATIONAL UNIVERSITY | 20.2K | — | 17 |
| AS131866KR | DEK-AS-KR-KR - Digital Edge Korea | 19.5K | 1 | 62 |
| AS23570KR | incheon-AS-KR-KR - UNIVERSITY OF INCHEON | 19.5K | — | 59 |
| AS38105KR | SCH-AS-KR-KR - SOON CHUN HYANG UNIVERSITY | 18.7K | — | 70 |
| AS23571KR | GWED-AS-KR-KR - Gangwon State Office of Education | 18.2K | — | 71 |
| AS38099KR | KAKAO-AS-KR-KR - Kakao Corp | 17.9K | 1 | 52 |
| AS18328KR | DOTNAME-AS-KR-KR - Dotname Korea Corp | 17.4K | 1 | 6 |
| AS18034KR | KANGNUNG-AS-KR-KR - Gangneung-Wonju National University | 16.9K | — | 24 |
| AS55618KR | UOU-AS-KR-KR - UNIVERSITY OF ULSAN | 16.9K | — | 66 |
| AS9980KR | LDCC-AS-KR-KR - LOTTE INNOVATE Co.,Ltd | 16.6K | — | 62 |
| AS7622KR | ASN-KAIST-SAL-KR - Korea Advanced Institute of Science and Technology | 16.4K | — | 1 |
| AS10194KR | doosanheavy-AS-KR-KR - Doosan Enerbility co., LTD. | 16.4K | — | 1 |
| AS9572KR | HUFSNET-AS-KR - Hankuk University of Foreign Studies Computer Center | 16.1K | — | 7 |
| AS7625KR | DAUM-AS-KR - Kakao Corp | 15.9K | 1 | 39 |
| AS38701KR | PIRANHA-AS-KR-KR - Piranha Systems | 15.9K | — | 62 |
| AS45385KR | DAELIM-KR - Daelim Co.,Ltd. | 15.6K | — | 61 |
| AS9647KR | SEOULMETRO-AS-KR - Seoul Metropolitan Government | 15.1K | — | 58 |
| AS46010KR | DIRECT-AS-KR-KR - SAMJUNG DATA SERVICE | 15.1K | — | 59 |
| AS9691KR | KYUNGSUNG-AS-KR - KYUNGSUNG UNIVERSITY | 14.8K | — | 16 |
| AS46009KR | YABESK-AS-KR-KR - YABESK | 14.8K | — | 37 |
| AS18297KR | KJISTNET-AS-KR-KR - K-JIST | 14.8K | — | 27 |
| AS17596KR | CST21-AS-KR-KR - PINE ASSET SERVICE | 14.6K | — | 36 |
| AS18038KR | KNUE-AS-KR-KR - Korea National University of Education | 14.3K | — | 13 |
| AS18176KR | KOOKMIN-AS-KR-KR - KOOKMIN UNIVERSITY | 14.3K | — | 53 |
| AS18033KR | CMBTGD-AS-KR-KR - CMB TAEGU BROADCASTING | 14.1K | — | 33 |
| AS139648KR | PACKETSTREAM-AS-AP - PacketStream Korea | 13.6K | 3 | 56 |
| AS4793KR | HHIAS-AS-KR-KR - Hyundai Heavy Industries | 13.6K | — | 21 |
| AS9949KR | HOSEO-AS-KR - Hoseo University | 13.3K | — | 25 |
| AS7624KR | JEONJU-AS-KR - jeonju university | 13.3K | — | 7 |
| AS18164KR | MOKPO-AS-KR-KR - Mokpo University | 13.3K | — | 13 |
| AS9775KR | HANNAM-AS-KR - Hannam University | 13.1K | — | 10 |
| AS17584KR | ICE-AS-KR-KR - Inchon Metropolitan Office Of Education | 13.1K | — | 51 |
| AS55593KR | NETMARBLE-AS-KR-KR - netmarble | 13.1K | — | 51 |
| AS135120KR | PROJECTELIV-AS-AP - PROJECT ELIV | 13.1K | 7 | 46 |