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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 | 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 |
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| 0 |
| AS152248KR | AS152248-53 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS131832KR | HDI-AS-KR-KR - HD Construction Equipment Co., Ltd. | — | — | 0 |
| AS38699KR | FNUSBPP-AS-KR-KR - F U Credit Information | — | — | 0 |
| AS401843KR | SYNTHETIX-LABS-NETWORK - Synthetix Labs LLC | — | — | 0 |
| AS38108KR | NEX-AS-KR-KR - NEXINNO | — | — | 0 |
| AS9576KR | SOOKMYUNG_AS-KR - SookMyung Womens university | — | — | 0 |
| AS23981KR | AS23981-27 - | — | — | 0 |
| AS152256KR | AS152256-61 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS23982KR | NCP-AS-KR-KR - NAVER Cloud Corp. | — | — | 0 |
| AS45970KR | TOYOKOREA-AS-KR-KR - Toyo Engineering Korea | — | — | 0 |
| AS133463KR | HOJUNGCOLTD-AS-AP - HO JUNG CO., LTD. | — | — | 0 |
| AS17835KR | HISC1-AS-KR-KR - Hanwha Investment Securities Co., Ltd. | — | — | 0 |
| AS3559KR | KORNET-AS-KR-KR - Korea Telecom | — | 45.1K | 5 |
| AS46005KR | AS46005-43 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS152217KR | KGS-AS-KR-KR - Korea Gas Safety Corporation | — | — | 0 |
| AS131823KR | EKAPE-AS-KR-KR - korea Institute for Animal Products Quality Evaluation | — | — | 0 |
| AS152238KR | AS152238-43 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS152261KR | AS152261-66 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS10154KR | DUNAMU-AS-KR-KR - DUNAMU | — | — | 0 |
| AS131797KR | NEMC-AS-KR-KR - National Medical Center | — | — | 0 |
| AS18163KR | AS18163-511 - | — | — | 0 |
| AS45395KR | AS45555-AS-KR-KR - GDSYS | — | — | 0 |
| AS131884KR | GDX10-AS-KR-KR - Korea Internet Security Agency | — | — | 0 |
| AS45371KR | HANACEDA-AS-KR-KR - HANATI | — | — | 0 |
| AS131796KR | AS131796-6 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS7621KR | AS7621-2 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS9456KR | POSCO-AS-KR - POSCO | — | — | 0 |
| AS9865KR | CROSSCERT-AS-KR - KECA, Inc. | — | — | 0 |
| AS152279KR | WIB-AS-KR-KR - WOORI INVESTMENT SECURITIES CO., LTD. | — | — | 0 |
| AS17872KR | SUNGSHIN-AS-KR-KR - SUNGSHIN WOMENS UNIVERSITY | — | — | 0 |
| AS38240KR | DEPI-ASN-AP - Digital Edge Philippines, Inc | — | — | 0 |
| AS55416KR | YAHOO-KRA - YAHOO! KRA | — | — | 0 |
| AS150805KR | A-FIN-KR-AS - A-FIN KOREA CORP | — | 1 | 1 |
| AS55607KR | AS55607-24 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS46006KR | SIMPLEXINTERNET-AS-KR-KR - Cafe24 Corp. | — | — | 0 |
| AS45380KR | MMAACNC-AS-KR-KR - MMAAC C | — | — | 0 |
| AS23559KR | AS23559-8 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS45965KR | SSEN-AS-KR-KR - SHINSEGAE I C | — | — | 0 |
| AS46001KR | AS46001-39 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS55629KR | TMON-AS-KR-KR - TMON | — | — | 0 |
| AS152243KR | AS152243-48 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS152270KR | AS152270-75 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS131880KR | KOREG-AS-KR-KR - KOREA FEDERATION OF CREDIT GUARANTEE FOUNDATIONS | — | — | 0 |
| AS18306KR | AS18306-13 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS131888KR | GDX1-AS-KR-KR - Korea Internet Security Agency | — | — | 0 |
| AS38670KR | CDNETWORKS-AP-AS-KR-KR - CDNetworks | — | — | 0 |