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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 |
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| 0 |
| AS45405KR | AS45405-46 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS9453KR | SOONGSIL-AS-KR - SoongSil University | — | — | 0 |
| AS131825KR | BAEKSA-AS-KR-KR - KCTC | — | — | 0 |
| AS38116KR | SEOICHEON-AS-KR-KR - KCTC | — | — | 0 |
| AS152253KR | AS152253-58 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS152272KR | AS152272-77 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS131800KR | KRNIC-NET-KR - Korea Internet Security Agency | — | — | 0 |
| AS9456KR | POSCO-AS-KR - POSCO | — | — | 0 |
| AS18171KR | KYUNGNAM-AS-KR-KR - KYUNGNAM-UNIVERSITY | — | — | 0 |
| AS18304KR | AS18304-11 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS141191KR | CLOUDNX-ENT - Creativelab Corp. | — | — | 0 |
| AS152255KR | AS152255-60 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS401843KR | SYNTHETIX-LABS-NETWORK - Synthetix Labs LLC | — | — | 0 |
| AS151810KR | PHYLAXISINC-AS-AP - Phylaxis Korea | — | — | 0 |
| AS38435KR | KOLON-KR - KOLON BENIT | — | — | 0 |
| AS38706KR | AS38706-47 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS23981KR | AS23981-27 - | — | — | 0 |
| AS131840KR | JTSB-AS-KR-KR - JT Savings Bank | — | — | 0 |
| AS38098KR | NICEVAN04-AS-KR-KR - NICE Information Telecommunication, Inc | 256 | — | 1 |
| AS152293KR | HDSNET-AS-KR-KR - HAESUNGDS | 256 | — | 1 |
| AS55605KR | DAEWONPHARM-AS-KR-KR - daewonpharm | 256 | — | 1 |
| AS23558KR | KNFC-AS-KR-KR - KepcoNF | 256 | — | 1 |
| AS9863KR | EDUCAR-AS-KR-KR - Hana Insurance Co., Ltd. | 256 | — | 1 |
| AS9635KR | PUFS-AS-KR - Pusan University of Foreign Studies | 256 | — | 1 |
| AS131827KR | JEJUBANK-AS-KR-KR - jejubank | 256 | — | 1 |
| AS38425KR | SEJONGTELECOM-AS-KR-KR - SEJONG NETWORKS | 256 | — | 1 |
| AS131862KR | NHFIREUPMU-AS-KR-KR - Nonghyup Property and Casualty Insurance Co.,Ltd | 256 | — | 1 |
| AS131845KR | VAM-AS-KR-KR - KOREA INVESTMENT VALUE ASSET MANAGEMENT Co., Ltd. | 256 | — | 1 |
| AS17875KR | ECBANK-AS-KR-KR - ec-bank | 256 | — | 1 |
| AS152203KR | KOEN-AS-KR-KR - KOREA SOUTH EAST POWER | 256 | — | 1 |
| AS152220KR | HWPE-AS-KR-KR - Hanwha Asset Management | 256 | — | 1 |
| AS38677KR | HIPLUS-AS-KR-KR - SMHiplus Corporation | 256 | — | 1 |
| AS23590KR | IBKC-AS-KR-KR - IBKCapital | 256 | — | 1 |
| AS131890KR | TMONEYMOBILITY-AS-KR-KR - Tmoney co., ltd | 256 | — | 1 |
| AS198840KR | AL-CLOUD YUJUN KIM trading as ALCLOUD | 256 | 1 | 2 |
| AS152215KR | KACRHR-AS-KR-KR - Korea Insurance Development Institute | 256 | — | 1 |
| AS131843KR | KIM-AS-KR-KR - Korea Investment Management CO. | 256 | — | 1 |
| AS45999KR | CAR-KR - Korea Transportation Safety Authority | 256 | — | 1 |
| AS38704KR | IDISPOWERTEL-AS-KR-KR - IDIS powertel | 256 | — | 1 |
| AS131817KR | MINWISE-AS-KR-KR - Hecto Innovation Co., Ltd | 256 | — | 1 |
| AS7626KR | SCOURTFAMILY-AS-KR-KR - SCOURTFAMILY | 256 | — | 1 |
| AS17836KR | IBKS-AS-KR-KR - IBK Securities | 256 | — | 1 |
| AS55594KR | KBPHYINT-AS-KR-KR - KOOKMIN BANK | 256 | — | 1 |
| AS215343KR | MINJAE-AS Minjae Kim | 256 | 1 | 2 |
| AS45406KR | AJU-AS-KR-KR - AJU Internet Technology | 256 | — | 1 |
| AS45397KR | KFPP-AS-KR-KR - KOREA ADVANCING SCHOOLS FOUNDATION | 256 | — | 1 |