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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 |
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| 0 |
| AS9576KR | SOOKMYUNG_AS-KR - SookMyung Womens university | — | — | 0 |
| AS401843KR | SYNTHETIX-LABS-NETWORK - Synthetix Labs LLC | — | — | 0 |
| AS152241KR | AS152241-46 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS55590KR | SONYKOREA-AS-KR-KR - Sony Korea | — | — | 0 |
| AS131880KR | KOREG-AS-KR-KR - KOREA FEDERATION OF CREDIT GUARANTEE FOUNDATIONS | — | — | 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 |
| AS46006KR | SIMPLEXINTERNET-AS-KR-KR - Cafe24 Corp. | — | — | 0 |
| AS17571KR | NCSOFT-AS-KR-KR - nc | — | — | 0 |
| AS23598KR | AS23598-47 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS131807KR | NHCAPITAL-AS-KR-KR - NHcapital | — | — | 0 |
| AS38432KR | AS38432-46 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS131832KR | HDI-AS-KR-KR - HD Construction Equipment Co., Ltd. | — | — | 0 |
| AS4060KR | KORNET-DJ-AS-KR-KR - Korea Telecom | — | — | 0 |
| AS23759KR | PRIMENET-AS-KR-KR - TechnoMart Information Communication Company | — | — | 0 |
| AS17871KR | SKB-DIGITALBUSANDONGNAM-AS-KR-KR - SK Broadband Co Ltd | — | — | 0 |
| AS38094KR | AS38094-9 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS38665KR | SHINDUCKPYUNG-AS-KR-KR - KCTC | — | — | 0 |
| AS139311KR | STELLAIT-AS-AP - Stella IT | — | 16 | 1 |
| AS140894KR | BLADESAS-AS-AP - Blade SAS | — | — | 0 |
| AS198840KR | AL-CLOUD YUJUN KIM trading as ALCLOUD | — | 1 | 1 |
| AS201666KR | YSSOFT Yoonsu Son trading as YSSOFT | — | 4.1K | 2 |
| AS214510KR | WEBTACULAR Rhajune Park | — | 16 | 1 |
| AS152243KR | AS152243-48 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS131888KR | GDX1-AS-KR-KR - Korea Internet Security Agency | — | — | 0 |
| AS152248KR | AS152248-53 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS38128KR | GICO-AS-KR-KR - Gyeonggi Hosing Urban Development Corporation | — | — | 0 |
| AS10068KR | PRONET-AS-KR - ILINKKOREA | — | — | 0 |
| AS55595KR | AIAKR-AS-KR-KR - American International Assurance Company Korea | — | — | 0 |
| AS152251KR | AS152251-56 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS152267KR | AS152267-72 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS17879KR | RDA2014-KR - Rural Development Administration (RDA) | — | — | 0 |
| AS23565KR | AS23565-14 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS131092KR | AS131092-1 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS17832KR | SIXNGIX-KR - Korea Internet Security Agency | — | — | 0 |
| AS23716KR | AS23716-16 - | — | — | 0 |
| AS131861KR | AS131861-71 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS18174KR | AS18174-522 - | — | — | 0 |
| AS10048KR | BITTEL-AS-KR-KR - ILINKKOREA | — | — | 0 |
| AS23595KR | AS23595-44 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS131874KR | KDBC-AS-KR-KR - KDB CAPITAL CORPORATION | — | — | 0 |
| AS139286KR | EQUINIX-AS-AP - Equinix Korea LLC | — | — | 0 |
| AS45976KR | AS45976-14 - KRNIC-ASBLOCK-AP | — | — | 0 |
| AS153782KR | COM2MATHINC-AS-AP - Com2Math, Inc. | — | 1 | 1 |