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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 |
| 67.5K |
| — |
| 9 |
| AS9569KR | HCNSEOCHOCATV-AS-KR-KR - SEOCHO CABLE SYSTEMS CO., LTD. | 67.1K | — | 78 |
| AS38096KR | QRIXNET-AS-KR-KR - SK Broadband Co Ltd | 66.8K | — | 141 |
| AS23980KR | YU-AS-KR-KR - Yeungnam University | 65.8K | — | 2 |
| AS3813KR | SOGANG-AS-KR-KR - Sogang University | 65.8K | — | 2 |
| AS17870KR | KHU-AS-KR-KR - Kyung Hee University | 65.5K | — | 12 |
| AS3748KR | ETRI-AS-KR-KR - Electronics and Telecommunications Research Institute | 65.5K | — | 1 |
| AS17866KR | KISTNET-AS-KR-KR - Korea Institute of Science and Technology | 65.5K | — | 1 |
| AS9452KR | KUNET-AS-KR - Korea University | 65.5K | — | 1 |
| AS3784KR | POSTECH-AS-KR-KR - Pohang University of Science and Technology | 65.5K | — | 4 |
| AS18298KR | CNUNET-AS-KR-KR - Chungnam National University | 65.5K | — | 1 |
| AS45374KR | CCS-AS-KR-KR - CCS | 63.5K | — | 41 |
| AS17573KR | SKB-MINS-AS-KR-KR - SK Broadband Co Ltd | 60.2K | — | 13 |
| AS9971KR | SKB-DONGDAEMUNCABLEINTERNET-AS-KR-KR - SK Broadband Co Ltd | 59.4K | — | 6 |
| AS9757KR | CMBI-AS-KR-KR - CMB DONDAEMOON BROADCASTING | 58.9K | — | 60 |
| AS38097KR | SKB-QRIXNETJJ-AS-KR-KR - SK Broadband Co Ltd | 51.2K | — | 27 |
| AS1704KR | KAIST-SEOUL-AS-KR-KR - Korea Advanced Institute of Science and Technology | 49.7K | — | 4 |
| AS9754KR | CSU-AS-KR - CHOSUN UNIVERSITY | 49.4K | — | 101 |
| AS17586KR | NARATV-AS-KR-KR - LG HelloVision Corp. | 48.4K | — | 45 |
| AS23575KR | SKB-GOV-KR-KR - SK Broadband Co Ltd | 45.8K | — | 15 |
| AS9870KR | DEUNET-AS-KR - DONG-EUI UNIVERSITY | 44.8K | — | 49 |
| AS38680KR | CMBHK-AS-KR-KR - CMB | 43.8K | — | 45 |
| AS7560KR | CHONBUK-AS-KR - Jeonbuk National University | 41.7K | — | 31 |
| AS17612KR | RINNAI-AS-KR-KR - Rinnai Korea | 41K | — | 40 |
| AS17589KR | GABIA-AS-KR-KR - GABIA Inc. | 40.7K | — | 97 |
| AS17862KR | KWNU-AS-KR-KR - Kangwon National University | 40.4K | — | 34 |
| AS9528KR | CBE-AS-KR-KR - Chungcheongbuk-do Education Research and Information Institute | 39.7K | — | 155 |
| AS9712KR | KPIN-AS-KR-KR - INet Technologies Co., Ltd. | 39.2K | — | 24 |
| AS45365KR | JBTV-AS-KR-KR - LG HelloVision Corp. | 37.9K | — | 40 |
| AS38705KR | DACOM-AS-KR-KR - KOREA DATA | 36.4K | — | 47 |
| AS9531KR | GEDU-AS-KR-KR - Gwangju Education Research Information Service | 36.1K | — | 6 |
| AS9524KR | HMC-AS-KR - Hyundai Autoever Corp. | 34.8K | — | 83 |
| AS23714KR | KMUCC-AS-KR-KR - Keimyung University | 33.8K | — | 18 |
| AS38133KR | MULTINET-AS-KR-KR - CMB | 33K | — | 41 |
| AS18028KR | GSNU-AS-KR-KR - GyeongSang National University | 31K | — | 26 |
| AS55592KR | KDT-AS-KR-KR - Korea Data Telecommunication Co., Ltd. | 30.7K | — | 116 |
| AS38107KR | CDNETWORKS-AS-KR-KR - CDNetworks | 30.5K | — | 48 |
| AS4792KR | NATECOMMS-AS-KR-KR - NATE Communications Corporation | 30.5K | — | 21 |
| AS18158KR | CBNU-AS-KR-KR - CHUNGBUK NATIONAL UNIVERSITY | 29.7K | — | 9 |
| AS10176KR | DJE-AS-KR-KR - Daejon Metropolitan Office of Education | 29.7K | — | 34 |
| AS9769KR | SEJONG-AS-KR - Sejong University | 29.7K | — | 15 |
| AS10088KR | KWANGWOON-AS-KR-KR - KWANGWOON UNIVERSITY | 29.4K | — | 84 |
| AS38692KR | JBES-AS-KR-KR - Jeonbuk State office of Education Future Education Research Institute | 28.9K | — | 40 |
| AS9270KR | APAN-KR-AS-KR - National Infomation Society Agency | 28.4K | 65.5K | 24 |
| AS9708KR | pknu-as-KR - Pukyong National University | 27.9K | — | 27 |
| AS55615KR | DUZONBIZON-AS-KR-KR - DOUZONEBIZON | 27.9K | — | 109 |
| AS18401KR | AS18401-AS-KR-KR - DAEGU UNIVERSITY | 27.6K | — | 25 |