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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 |
| TAEKWANG-AS-KR-KR - tsis |
| 4.6K |
| — |
| 18 |
| AS55586KR | CATHOLIC-AS-KR-KR - THE CATHOLIC UNIVERSITY OF KOREA SONGSIM | 4.6K | — | 18 |
| AS9684KR | HANWHA-AS-KR - HANWHA Corp. Information Service div. | 4.6K | — | 17 |
| AS9959KR | KOREASTOCKEXCHANGE-AS-KR - KOREA STOCK EXCHANGE | 4.6K | — | 18 |
| AS38688KR | WISEN-AS-KR-KR - GSNeotek | 4.6K | — | 18 |
| AS55632KR | SJEDU-AS-KR-KR - Sejong City Office of Education | 4.6K | — | 18 |
| AS4669KR | NOWCOM-AS-KR-KR - SOOP Co., Ltd | 4.6K | — | 18 |
| AS17574KR | SMGCC-AS-KR-KR - Seoul Metropolitan Government Computer Center | 4.6K | — | 18 |
| AS18341KR | GUMI-AS-KR-KR - Gumi College | 4.6K | — | 2 |
| AS4791KR | JOONGANGLIBO-AS-KR-KR - JoongAng Ilbo | 4.4K | — | 17 |
| AS17856KR | KONYANG-AS-KR-KR - Konyang University | 4.4K | — | 7 |
| AS18029KR | HIT-AS-KR-KR - Daejeon Helath Sciences College | 4.4K | — | 6 |
| AS46004KR | SKBMIL-KR - SK Broadband Co Ltd | 4.1K | — | 1 |
| AS9853KR | RAYNET-AS-KR - GORayNet | 4.1K | — | 16 |
| AS10070KR | KRISS-AS-KR - KRISS SubDAEJONnetworks connected to backbone | 4.1K | — | 2 |
| AS38117KR | JS89005-AS-KR-KR - jin san cable net company ltd | 4.1K | — | 16 |
| AS17846KR | SKB-H-AS-KR-KR - SK Broadband Co Ltd | 4.1K | — | 1 |
| AS23975KR | YC-AS-KR-KR - Yonam Institute of Technology | 4.1K | — | 6 |
| AS17609KR | SILLAUNIVERSITY-AS-KR-KR - Silla Univ | 4.1K | — | 16 |
| AS3608KR | KRC-AS-KR-KR - Korea Rural Community Corporation | 4.1K | — | 9 |
| AS10180KR | DUKSUNG-AS-KR-KR - Duksung Womens University | 4.1K | — | 1 |
| AS7559KR | DONGA-NET-AS-KR - donga.com | 4.1K | — | 13 |
| AS9277KR | SKB-T-AS-KR-KR - SK Broadband Co Ltd | 4.1K | — | 1 |
| AS38113KR | KUMC-AS-KR-KR - KUMC | 4.1K | — | 9 |
| AS2385KR | KRIBB-AS-KR-KR - KRIBB(Korea Research Institute of Bioscience Biotechnology) | 3.8K | — | 9 |
| AS38110KR | CWUIC-KR - Chungwoon University | 3.8K | — | 8 |
| AS18343KR | TAEGUTECH-AS-KR-KR - Daegu Technical College | 3.8K | — | 7 |
| AS9532KR | SECURITIES-AS-KR - MIRAE ASSET SECURITIES CO., LTD. | 3.8K | — | 15 |
| AS46012KR | INDUK-AS-KR-KR - Induk University | 3.8K | — | 15 |
| AS23581KR | HYNIX-AS-KR-KR - Hynix Semiconductor Inc. | 3.8K | — | 15 |
| AS131093KR | VIVATOSS-AS-KR-KR - viva republica | 3.8K | — | 15 |
| AS18331KR | HCC-AS-KR-KR - Daejeon Institute of Science and Technology | 3.8K | — | 6 |
| AS38114KR | TERANET-AS-KR-KR - Shinjin Network | 3.6K | — | 7 |
| AS149522KR | ONECUBITCOLTD-AS-AP - OneCubit Co., Ltd. | 3.6K | 44 | 12 |
| AS23561KR | YONGINUNIVERSITY-AS-KR-KR - Yongin University | 3.6K | — | 14 |
| AS9972KR | INTINFRA-AS-KR-KR - INTMANAGEMENT Corp., | 3.3K | — | 13 |
| AS55626KR | KYUNGIN-AS-KR-KR - Kyungin Womens college | 3.3K | — | 13 |
| AS10178KR | KAKAOPAY-AS-KR-KR - Kakaopay Corp | 3.3K | — | 11 |
| AS131795KR | KIER-AS-KR-KR - KOREA INSTITUTE OF ENERGY RESEARCH | 3.3K | — | 13 |
| AS23600KR | GDNSKR-KR-KR - Korea Internet Security Agency | 3.1K | 5 | 17 |
| AS9773KR | HANCOMWITH-AS-KR-KR - HancomWITH | 3.1K | — | 5 |
| AS17614KR | GEUMGANG-AS-KR-KR - Geumgang University | 3.1K | — | 5 |
| AS10046KR | HOWON-AS-KR - HOWON UNIVERSITY | 3.1K | — | 2 |
| AS17834KR | WOORICARD-AS-KR-KR - WOORICARD | 3.1K | — | 12 |
| AS17865KR | SCOURT-AS-KR-KR - Supreme Court of Korea | 3.1K | — | 12 |
| AS18320KR | GNUE-AS-KR-KR - Kwangju National University of Education | 3.1K | — | 12 |
| AS23569KR | SEOJEONG-AS-KR-KR - SEOJEONG COLLEGE | 3.1K | — | 12 |