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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 |
| 4.1K |
| — |
| 1 |
| AS9853KR | RAYNET-AS-KR - GORayNet | 4.1K | — | 16 |
| AS38113KR | KUMC-AS-KR-KR - KUMC | 4.1K | — | 9 |
| AS10070KR | KRISS-AS-KR - KRISS SubDAEJONnetworks connected to backbone | 4.1K | — | 2 |
| AS7559KR | DONGA-NET-AS-KR - donga.com | 4.1K | — | 13 |
| AS38117KR | JS89005-AS-KR-KR - jin san cable net company ltd | 4.1K | — | 16 |
| AS46004KR | SKBMIL-KR - SK Broadband Co Ltd | 4.1K | — | 1 |
| AS17609KR | SILLAUNIVERSITY-AS-KR-KR - Silla Univ | 4.1K | — | 16 |
| AS9277KR | SKB-T-AS-KR-KR - SK Broadband Co Ltd | 4.1K | — | 1 |
| AS17856KR | KONYANG-AS-KR-KR - Konyang University | 4.4K | — | 7 |
| AS18029KR | HIT-AS-KR-KR - Daejeon Helath Sciences College | 4.4K | — | 6 |
| AS4791KR | JOONGANGLIBO-AS-KR-KR - JoongAng Ilbo | 4.4K | — | 17 |
| AS17574KR | SMGCC-AS-KR-KR - Seoul Metropolitan Government Computer Center | 4.6K | — | 18 |
| AS9959KR | KOREASTOCKEXCHANGE-AS-KR - KOREA STOCK EXCHANGE | 4.6K | — | 18 |
| AS4669KR | NOWCOM-AS-KR-KR - SOOP Co., Ltd | 4.6K | — | 18 |
| AS55632KR | SJEDU-AS-KR-KR - Sejong City Office of Education | 4.6K | — | 18 |
| AS23601KR | TAEKWANG-AS-KR-KR - tsis | 4.6K | — | 18 |
| AS9684KR | HANWHA-AS-KR - HANWHA Corp. Information Service div. | 4.6K | — | 17 |
| AS55586KR | CATHOLIC-AS-KR-KR - THE CATHOLIC UNIVERSITY OF KOREA SONGSIM | 4.6K | — | 18 |
| AS18341KR | GUMI-AS-KR-KR - Gumi College | 4.6K | — | 2 |
| AS38688KR | WISEN-AS-KR-KR - GSNeotek | 4.6K | — | 18 |
| AS45399KR | KAL-AS-KR-KR - Hanjin Information Systems Telecommunication Co., Ltd | 4.9K | — | 19 |
| AS9858KR | KRNICNET-KR - Korea Internet Security Agency | 4.9K | 65.5K | 20 |
| AS10073KR | KNOU-AS-KR - Korea National Open University | 4.9K | — | 18 |
| AS152214KR | KOREANAIRLINES-AS-KR-KR - Korean Air Lines | 4.9K | — | 19 |
| AS9637KR | KBSI-AS-KR-KR - Korea Basic Science Institute | 4.9K | — | 7 |
| AS55625KR | CWUNET-AS-KR-KR - Chungwoon University | 5.1K | — | 11 |
| AS10162KR | SNUH-AS-KR-KR - SNUH | 5.1K | — | 4 |
| AS17578KR | HALLA-AS-KR-KR - CHEJU HALLA UNIVERSITY | 5.1K | — | 20 |
| AS55624KR | DAELIM-AS-KR-KR - DAELIM | 5.1K | — | 8 |
| AS9774KR | DSU-AS-KR - Dongseo University | 5.1K | — | 2 |
| AS38697KR | MOK9882-AS-KR-KR - Hankyong National Univercity | 5.1K | — | 19 |
| AS4664KR | HIT-KR-AP - Shinbiro | 5.1K | — | 11 |
| AS10053KR | AYTCNET-AS-KR - yeonsung University | 5.1K | — | 20 |
| AS9867KR | JTC-AS-KR - VISION College of Jeonju | 5.4K | — | 21 |
| AS18035KR | HSU18035-AS-KR-KR - HANSEO UNIVERSITY | 5.4K | — | 7 |
| AS152199KR | KAKAOCORP-AS-KR-KR - Kakao Corp | 5.4K | 1 | 22 |
| AS18337KR | KSUCC-AS-KR-KR - KyungSan University | 5.4K | — | 21 |
| AS38417KR | GOEGP-AS-KR-KR - Gyeonggi Province Gapyeong office of Education | 5.4K | — | 21 |
| AS55622KR | CNUE-AS-KR-KR - CNUE | 5.4K | — | 14 |
| AS10060KR | YONSEI01-AS-KR-KR - YONSEI UNIVERSITY HEALTH SYSTEM | 5.4K | — | 21 |
| AS17593KR | NONGSHIM-AS-KR-KR - NDS Coporation | 5.4K | — | 21 |
| AS55616KR | DGIST-AS-KR-KR - DGIST | 5.4K | — | 11 |
| AS38387KR | CMBSEJONG-AS-KR-KR - CMB Sejong Broadcasting Co,.Ltd | 5.6K | — | 16 |
| AS9862KR | RAYNET1-KR - GORayNet | 5.6K | — | 16 |
| AS38401KR | GOEAN-AS-KR-KR - Gyeonggi Provincial Anseong Office of Education | 5.6K | — | 22 |
| AS38707KR | TOSSPAYMENTS-AS-KR-KR - Tosspayments | 5.6K | — | 22 |