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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 |
| KISACERT-AS-KR-KR - Korea Internet Security Agency |
| 512 |
| — |
| 2 |
| AS9844KR | HANINTERNET-AS-KR - Duruan | 512 | — | 1 |
| AS131814KR | PMC-AS-KR-KR - Presbyterian Medical Center | 512 | — | 2 |
| AS45368KR | KNB-AS-KR-KR - KYONGNAMBANK | 512 | — | 2 |
| AS152212KR | IRIS-AS-KR-KR - Korea Institute of Science and Technology Evaluation and Planning | 512 | — | 2 |
| AS9969KR | NUCH-AS-KR-KR - Korea National University of Cultural Heritage | 512 | — | 2 |
| AS152287KR | HANWHALIFE-AS-KR-KR - HANWHALIFE | 512 | — | 2 |
| AS17855KR | HANENT-AS-KR-KR - HANNET Co.,Ltd. | 512 | — | 2 |
| AS9847KR | KSFC-AS-KR-KR - Korea Securities Finance Corporation | 512 | — | 2 |
| AS45992KR | CG-AS-KR-KR - Construction Guarantee Cooperative | 512 | — | 2 |
| AS45971KR | FSIISAC-AS-KR-KR - Financial Security Institute | 512 | — | 2 |
| AS45998KR | NMC-AS-KR-KR - National Medical Center | 512 | — | 2 |
| AS9948KR | NICEMONEY-AS-KR-KR - NICE TCM | 512 | — | 2 |
| AS55623KR | KIDI-AS-KR-KR - Korea Insurance Development Institute | 512 | — | 2 |
| AS38696KR | KBRI-AS-KR-KR - Korea Brain Research Institute | 512 | — | 2 |
| AS152289KR | KIMCHANG-AS-KR-KR - KIMCHANG | 512 | — | 2 |
| AS152223KR | AIRINCHEON-AS-KR-KR - AIRZETA CO.,LTD | 512 | — | 2 |
| AS18303KR | SMARTRO-AS-KR-KR - SMARTRO | 512 | — | 2 |
| AS23557KR | ELICE-AS-KR-KR - Elice inc. | 512 | — | 2 |
| AS45404KR | SHINHANLIFE-AS-KR-KR - SHINHAN LIFE INSURANCE CO.,LTD. | 512 | — | 2 |
| AS131841KR | PULMUONE-AS-KR-KR - Pulmuone | 512 | — | 2 |
| AS131794KR | KYOBOAXA-AS-KR-KR - KYOBO AXA INVESTMENT MANAGERS Co., Ltd. | 512 | — | 2 |
| AS9490KR | NIS-AS-KR - Oscar Enterprise | 512 | — | 2 |
| AS38702KR | KEBHANAATM-AS-KR-KR - Hana Bank Co. | 512 | — | 2 |
| AS55613KR | KAB-AS-KR-KR - KOREA APPRAISAL BOARD | 512 | — | 2 |
| AS152283KR | KOELSA-AS-KR-KR - Korea Elevator Safety Agency | 512 | — | 2 |
| AS17588KR | DAEGUBANK-AS-KR-KR - IM Bank | 512 | — | 2 |
| AS17591KR | KRFNET-AS-KR-KR - National Research Foundation of Korea | 512 | — | 2 |
| AS152230KR | WOOWA2-AS-KR-KR - Woowa Brothers Corp. | 512 | — | 2 |
| AS45401KR | NICEVAN02-AS-KR-KR - NICE Information Telecommunication, Inc | 512 | — | 2 |
| AS152229KR | COUPANGCIC-AS-KR-KR - Coupang Inc | 512 | — | 2 |
| AS152213KR | HOSHINO-AS-KR-KR - MogSoft Co., Ltd. | 512 | 256 | 3 |
| AS17582KR | KIC-AS-KR-KR - Korea Investment Corporation | 512 | — | 2 |
| AS152878KR | LUNA-AS-AP - Luna | 512 | — | 2 |
| AS17585KR | PPS-AS-KR-KR - Public Procurement Service The Republic of Korea | 512 | — | 2 |
| AS9966KR | TAEGUTEC-AS-KR-KR - TaeguTec | 512 | — | 2 |
| AS151349KR | YUKI-NET-AS-AP - Yuki Network Ltd | 512 | 5 | 7 |
| AS131850KR | HANAINSDMZ-AS-KR-KR - Hana Insurance Co., Ltd. | 512 | — | 2 |
| AS131099KR | CDNSKR-AS-KR-KR - Korea Internet Security Agency | 512 | — | 2 |
| AS9864KR | KSDNET-AS-KR-KR - Korea Securities Depository | 512 | — | 2 |
| AS55617KR | KB55617-AS-KR-KR - The Kwangju Bank Ltd. | 512 | — | 2 |
| AS10043KR | MIC-AS-KR-KR - Ministry of Science and ICT | 512 | — | 2 |
| AS23572KR | AIAK-AS-KR-KR - American International Assurance Company Korea | 512 | — | 2 |
| AS18333KR | ATNET-AS-KR-KR - at(Korea Argo-Fisheries Food Trade Corporation) | 512 | — | 2 |
| AS9630KR | WEBTRADE-AS-KR - SK Securities Limited | 512 | — | 2 |
| AS23585KR | MOJNET-AS-KR-KR - Ministry of Justice | 512 | — | 2 |
| AS38693KR | TSNET-AS-KR-KR - Korea Transportation Safety Authority | 512 | — | 2 |