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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 |
| 44.8K |
| — |
| 49 |
| AS23575KR | SKB-GOV-KR-KR - SK Broadband Co Ltd | 45.8K | — | 15 |
| AS17586KR | NARATV-AS-KR-KR - LG HelloVision Corp. | 48.4K | — | 45 |
| AS9754KR | CSU-AS-KR - CHOSUN UNIVERSITY | 49.4K | — | 101 |
| AS1704KR | KAIST-SEOUL-AS-KR-KR - Korea Advanced Institute of Science and Technology | 49.7K | — | 4 |
| AS38097KR | SKB-QRIXNETJJ-AS-KR-KR - SK Broadband Co Ltd | 51.2K | — | 27 |
| AS9757KR | CMBI-AS-KR-KR - CMB DONDAEMOON BROADCASTING | 58.9K | — | 60 |
| AS9971KR | SKB-DONGDAEMUNCABLEINTERNET-AS-KR-KR - SK Broadband Co Ltd | 59.4K | — | 6 |
| AS17573KR | SKB-MINS-AS-KR-KR - SK Broadband Co Ltd | 60.2K | — | 13 |
| AS45374KR | CCS-AS-KR-KR - CCS | 63.5K | — | 41 |
| AS17866KR | KISTNET-AS-KR-KR - Korea Institute of Science and Technology | 65.5K | — | 1 |
| AS3784KR | POSTECH-AS-KR-KR - Pohang University of Science and Technology | 65.5K | — | 4 |
| AS17870KR | KHU-AS-KR-KR - Kyung Hee University | 65.5K | — | 12 |
| AS18298KR | CNUNET-AS-KR-KR - Chungnam National University | 65.5K | — | 1 |
| AS3748KR | ETRI-AS-KR-KR - Electronics and Telecommunications Research Institute | 65.5K | — | 1 |
| AS9452KR | KUNET-AS-KR - Korea University | 65.5K | — | 1 |
| AS23980KR | YU-AS-KR-KR - Yeungnam University | 65.8K | — | 2 |
| AS3813KR | SOGANG-AS-KR-KR - Sogang University | 65.8K | — | 2 |
| AS38096KR | QRIXNET-AS-KR-KR - SK Broadband Co Ltd | 66.8K | — | 141 |
| AS9569KR | HCNSEOCHOCATV-AS-KR-KR - SEOCHO CABLE SYSTEMS CO., LTD. | 67.1K | — | 78 |
| AS9489KR | KARINET-AS-KR - Korea Aerospace Research Institute | 67.5K | — | 9 |
| AS23578KR | SKB-NAMDONGNET-AS-KR-KR - SK Broadband Co Ltd | 67.6K | — | 5 |
| AS46003KR | KOREACENTER-AS-KR-KR - CONNECTWAVE | 67.8K | — | 10 |
| AS38120KR | GBNTV-AS-KR-KR - LG HelloVision Corp. | 67.8K | — | 165 |
| AS10197KR | CNU-AS-KR-KR - Chonnam National University | 68.1K | 4.1K | 12 |
| AS10164KR | SKB-GSD-AS-KR-KR - SK Broadband Co Ltd | 69.6K | — | 10 |
| AS45372KR | ULN-AS-KR-KR - ULNetworks Co., Ltd. | 70.9K | — | 9 |
| AS9274KR | PUSAN-AS-KR-KR - Pusan National University | 70.9K | — | 15 |
| AS9950KR | PUBNETPLUS2-AS-KR-KR - DACOM-PUBNETPLUS | 71.2K | — | 23 |
| AS9686KR | SKKUNET-AS-KR - SungKyunKwan University (SKKU) | 74.2K | — | 8 |
| AS17598KR | YBNTV-AS-KR-KR - LG HelloVision Corp. | 74.5K | — | 209 |
| AS38121KR | UPASSTV-AS-KR-KR - LG HelloVision Corp. | 74.8K | — | 129 |
| AS9952KR | HOSTWAY-AS-KR-KR - Hostway IDC | 74.8K | — | 174 |
| AS18305KR | POSNET-KR - POSCO DX | 75.5K | — | 62 |
| AS38095KR | SKB-QRIXNETSDM-AS-KR-KR - SK Broadband Co Ltd | 75.5K | — | 12 |
| AS9273KR | SICC-AS-KR - ITCENENTEC CO.,LTD. | 76K | — | 4 |
| AS10175KR | HCNKUMHO-AS-KR-KR - Kumho Cable | 76.8K | — | 51 |
| AS9762KR | HCN-AS-KR - kt HCN Co.,Ltd. | 76.8K | — | 111 |
| AS17575KR | CAUNET-AS-KR-KR - Chung-Ang University | 77.8K | — | 5 |
| AS17583KR | KCNNET-AS-KR-KR - Keumgang Cable Network | 78.8K | — | 53 |
| AS10052KR | KNU-AS-KR - Kyungpook National University | 79.5K | 1 | 34 |
| AS10054KR | CMBKJ-AS-KR-KR - CMB Kwangju Broadcasting | 79.6K | — | 89 |
| AS38673KR | KCTVNET-AS-KR-KR - Korea Cable TV Kwangju Broadcasting | 84K | — | 27 |
| AS9317KR | ITISNET-AS-KR - INHA UNIVERSITY | 85.5K | — | 51 |
| AS17597KR | SKB-SAEROMNET-AS-KR-KR - SK Broadband Co Ltd | 87.6K | — | 24 |
| AS38684KR | CMBDAEJEON-AS-KR-KR - CMB Daejeon Broadcasting Co,.Ltd | 87.8K | — | 74 |
| AS38669KR | CNBTV-AS-KR-KR - LG HelloVision Corp. | 88.8K | — | 139 |