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How South Korea ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
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 | 117 |
| AS6619KR | SAMSUNGSDS-AS-KR-KR - SamsungSDS Inc. | 1.4M | 124 |
| AS9848KR | SejongTelecom-AS-KR-KR - SEJONG NETWORKS | 1.1M | 212 |
| AS9457KR | DREAMX-AS-KR - DREAMLINE CO. | 915.2K | 111 |
| 512 |
| — |
| 2 |
| AS131852KR | EUGENEFUTURES-AS-KR-KR - EUGENE INVESTMENT FUTURES Co.,Ltd. | 512 | — | 2 |
| AS18338KR | STARVAN-AS-KR-KR - DAOUDATA | 512 | — | 2 |
| AS55633KR | DMC-AS-KR-KR - pundang jesaeng general hospital | 512 | — | 2 |
| AS10191KR | SGMF-AS-KR-KR - SEEGENE MEDICAL FOUNDATION | 512 | — | 2 |
| AS9685KR | FACT-AS-KR-KR - KOAT | 512 | — | 2 |
| AS131798KR | SSNW-AS-KR-KR - Sangsang Networks Co., Ltd. | 512 | — | 1 |
| AS9841KR | KOFIANET-AS-KR-KR - Korea Financial Investment Association | 512 | — | 2 |
| AS38693KR | TSNET-AS-KR-KR - Korea Transportation Safety Authority | 512 | — | 2 |
| AS38674KR | NLCSJEJU-AS-KR-KR - NLCS Jeju | 512 | — | 2 |
| AS9854KR | KTO-AS-KR-KR - KTO | 512 | — | 2 |
| AS45391KR | AHAKOREA-AS-KR-KR - American Home Assurance Korea | 512 | — | 2 |
| AS38702KR | KEBHANAATM-AS-KR-KR - Hana Bank Co. | 512 | — | 2 |
| AS45368KR | KNB-AS-KR-KR - KYONGNAMBANK | 512 | — | 2 |
| AS202437KR | ParkAppsHouseIDC Heo Jun trading as ParkAppsHouse | 512 | 1 | 3 |
| AS152223KR | AIRINCHEON-AS-KR-KR - AIRZETA CO.,LTD | 512 | — | 2 |
| AS10043KR | MIC-AS-KR-KR - Ministry of Science and ICT | 512 | — | 2 |
| AS9571KR | INICIS-AS-KR - INICIS Co., Ltd | 512 | — | 2 |
| AS131874KR | KDBC-AS-KR-KR - KDB CAPITAL CORPORATION | 512 | — | 2 |
| AS45998KR | NMC-AS-KR-KR - National Medical Center | 512 | — | 2 |
| AS23557KR | ELICE-AS-KR-KR - Elice inc. | 512 | — | 2 |
| AS10170KR | BOKNET-AS-KR - The Bank of Korea | 512 | — | 2 |
| AS202348KR | YLEM Young Min Kim trading as Ylem | 512 | 1 | 3 |
| AS38087KR | BUSANBANK2-AS-KR-KR - BUSANBANK | 512 | — | 2 |
| AS55598KR | KEITI-AS-KR-KR - Korea Environmental Technology Industry Institute | 512 | — | 2 |
| AS18333KR | ATNET-AS-KR-KR - at(Korea Argo-Fisheries Food Trade Corporation) | 512 | — | 2 |
| AS17591KR | KRFNET-AS-KR-KR - National Research Foundation of Korea | 512 | — | 2 |
| AS17616KR | BAROFN-AS-KR-KR - barofn | 512 | — | 2 |
| AS55630KR | KSNET-AS-KR-KR - KSNET.Inc | 512 | — | 2 |
| AS17869KR | REGISTRY-AS-KR-KR - Supreme Court of Korea | 512 | — | 2 |
| AS38126KR | SCI-AS-KR-KR - Seoul Information Service Inc. | 512 | — | 2 |
| AS9977KR | KISACERT-AS-KR-KR - Korea Internet Security Agency | 512 | — | 2 |
| AS45971KR | FSIISAC-AS-KR-KR - Financial Security Institute | 512 | — | 2 |
| AS152230KR | WOOWA2-AS-KR-KR - Woowa Brothers Corp. | 512 | — | 2 |
| AS152228KR | WOOWA1-AS-KR-KR - Woowa Brothers Corp. | 512 | — | 2 |
| AS17605KR | KTNG-AS-KR-KR - KTNG Coporation | 512 | — | 2 |
| AS131850KR | HANAINSDMZ-AS-KR-KR - Hana Insurance Co., Ltd. | 512 | — | 2 |
| AS9958KR | KAKAOGAMES-AS-KR-KR - kakaogames | 512 | — | 2 |
| AS152197KR | BUSANPA-AS-KR-KR - Busan Port Authority | 512 | — | 2 |
| AS152282KR | NFH-AS-KR-KR - National Fire Hospital | 512 | — | 2 |
| AS45993KR | SBDNET-AS-KR-KR - SHINBUNDANG RAILROAD | 512 | — | 2 |
| AS38708KR | KOREAEXIM-AS-KR-KR - EXPORT-IMPORT BANK OF KOREA | 512 | — | 2 |
| AS45992KR | CG-AS-KR-KR - Construction Guarantee Cooperative | 512 | — | 2 |
| AS17582KR | KIC-AS-KR-KR - Korea Investment Corporation | 512 | — | 2 |
| AS17844KR | NPS01-AS-KR-KR - National Pension Service | 512 | — | 2 |
| AS23564KR | CITIBANKKOREA-AS-KR-KR - Citibank Korea | 512 | — | 2 |
| AS17585KR | PPS-AS-KR-KR - Public Procurement Service The Republic of Korea | 512 | — | 2 |