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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 |
| 134.7K |
| — |
| 365 |
| AS7564KR | KAERINET-AS-KR - Korea Atomic Energy Research Institute | 133.4K | — | 32 |
| AS9753KR | DAU-AS-KR - Dong-A Universirty | 132.1K | — | 24 |
| AS18318KR | SPEEDON-AS-KR-KR - LG HelloVision Corp. | 131.1K | — | 48 |
| AS9321KR | HYUNET-AS-KR - Hanyang University | 131.1K | — | 17 |
| AS9698KR | YOUNGDOONG-AS-KR-KR - LG HelloVision Corp. | 129.3K | — | 111 |
| AS38690KR | HYOSUNGITX-AS-KR-KR - HyosungITX | 129K | — | 17 |
| AS9319KR | HCNCHUNGJU-AS-KR-KR - HCN CHUNGBUK CABLE TV SYSTEMS | 126.7K | — | 202 |
| AS23584KR | HYROADPUSAN-AS-KR-KR - PUSAN CABLE TV SYSTEM CO., LTD. | 124.7K | — | 283 |
| AS138195KR | MOACKCOLTD-AS-AP - MOACK.Co.LTD | 124.2K | 135.2K | 174 |
| AS7557KR | KTNET-AS-KR - Korea Trade Network | 118K | — | 66 |
| AS9756KR | SKB-CHEONANVITSSEN-AS-KR-KR - SK Broadband Co Ltd | 117.8K | — | 42 |
| AS9946KR | CABLENET-AS-KR-KR - KCTV JEJU BROADCASTING | 116.7K | — | 131 |
| AS17577KR | GIGAPASS-AS-KR-KR - LG HelloVision Corp. | 108.5K | — | 74 |
| AS17854KR | SKBCABLELINE-AS-KR-KR - SK Broadband Co Ltd | 107.8K | — | 52 |
| AS38103KR | SKB-QRIXNETKS-AS-KR-KR - SK Broadband Co Ltd | 105.2K | — | 11 |
| AS38676KR | FLEXNET-AS-KR-KR - flexnetworks | 103.7K | — | 210 |
| AS9706KR | PETISNET-AS-KR - BUSAN EDUCATION RESEARCH & INFORMATION INSTITUTE | 102.1K | — | 8 |
| AS18300KR | KEPRI-AS-KR-KR - KEPCO | 102.1K | — | 275 |
| AS38109KR | SKB-TCNINTERNET-AS-KR-KR - SK Broadband Co Ltd | 99.3K | — | 7 |
| AS4961KR | DISC-AS-KR-KR - Daewoo Information Systems | 97.5K | — | 27 |
| AS7623KR | HCNGYEONGBUK-AS-KR-KR - Gyeongbuk Cable TV | 95.7K | — | 84 |
| AS10171KR | SKTELINK-AS-KR - SKTelink | 93.7K | — | 46 |
| AS9976KR | ICNDP-AS-KR-KR - Namincheon Brodcasting Co., Ltd. | 92.2K | — | 11 |
| AS38669KR | CNBTV-AS-KR-KR - LG HelloVision Corp. | 88.8K | — | 139 |
| AS38684KR | CMBDAEJEON-AS-KR-KR - CMB Daejeon Broadcasting Co,.Ltd | 87.8K | — | 74 |
| AS17597KR | SKB-SAEROMNET-AS-KR-KR - SK Broadband Co Ltd | 87.6K | — | 24 |
| AS9317KR | ITISNET-AS-KR - INHA UNIVERSITY | 85.5K | — | 51 |
| AS38673KR | KCTVNET-AS-KR-KR - Korea Cable TV Kwangju Broadcasting | 84K | — | 27 |
| AS10054KR | CMBKJ-AS-KR-KR - CMB Kwangju Broadcasting | 79.6K | — | 89 |
| AS10052KR | KNU-AS-KR - Kyungpook National University | 79.5K | 1 | 34 |
| AS17583KR | KCNNET-AS-KR-KR - Keumgang Cable Network | 78.8K | — | 53 |
| AS17575KR | CAUNET-AS-KR-KR - Chung-Ang University | 77.8K | — | 5 |
| AS10175KR | HCNKUMHO-AS-KR-KR - Kumho Cable | 76.8K | — | 51 |
| AS9762KR | HCN-AS-KR - kt HCN Co.,Ltd. | 76.8K | — | 111 |
| AS9273KR | SICC-AS-KR - ITCENENTEC CO.,LTD. | 76K | — | 4 |
| AS18305KR | POSNET-KR - POSCO DX | 75.5K | — | 62 |
| AS38095KR | SKB-QRIXNETSDM-AS-KR-KR - SK Broadband Co Ltd | 75.5K | — | 12 |
| AS9952KR | HOSTWAY-AS-KR-KR - Hostway IDC | 74.8K | — | 174 |
| AS38121KR | UPASSTV-AS-KR-KR - LG HelloVision Corp. | 74.8K | — | 129 |
| AS17598KR | YBNTV-AS-KR-KR - LG HelloVision Corp. | 74.5K | — | 209 |
| AS9686KR | SKKUNET-AS-KR - SungKyunKwan University (SKKU) | 74.2K | — | 8 |
| AS9950KR | PUBNETPLUS2-AS-KR-KR - DACOM-PUBNETPLUS | 71.2K | — | 23 |
| AS45372KR | ULN-AS-KR-KR - ULNetworks Co., Ltd. | 70.9K | — | 9 |
| AS9274KR | PUSAN-AS-KR-KR - Pusan National University | 70.9K | — | 15 |
| AS10164KR | SKB-GSD-AS-KR-KR - SK Broadband Co Ltd | 69.6K | — | 10 |
| AS10197KR | CNU-AS-KR-KR - Chonnam National University | 68.1K | 4.1K | 12 |