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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 |
| 97.5K |
| — |
| 27 |
| AS38109KR | SKB-TCNINTERNET-AS-KR-KR - SK Broadband Co Ltd | 99.3K | — | 7 |
| AS18300KR | KEPRI-AS-KR-KR - KEPCO | 102.1K | — | 275 |
| AS9706KR | PETISNET-AS-KR - BUSAN EDUCATION RESEARCH & INFORMATION INSTITUTE | 102.1K | — | 8 |
| AS38676KR | FLEXNET-AS-KR-KR - flexnetworks | 103.7K | — | 210 |
| AS38103KR | SKB-QRIXNETKS-AS-KR-KR - SK Broadband Co Ltd | 105.2K | — | 11 |
| AS17854KR | SKBCABLELINE-AS-KR-KR - SK Broadband Co Ltd | 107.8K | — | 52 |
| AS17577KR | GIGAPASS-AS-KR-KR - LG HelloVision Corp. | 108.5K | — | 74 |
| AS9946KR | CABLENET-AS-KR-KR - KCTV JEJU BROADCASTING | 116.7K | — | 131 |
| AS9756KR | SKB-CHEONANVITSSEN-AS-KR-KR - SK Broadband Co Ltd | 117.8K | — | 42 |
| AS7557KR | KTNET-AS-KR - Korea Trade Network | 118K | — | 66 |
| AS138195KR | MOACKCOLTD-AS-AP - MOACK.Co.LTD | 124.2K | 135.2K | 174 |
| AS23584KR | HYROADPUSAN-AS-KR-KR - PUSAN CABLE TV SYSTEM CO., LTD. | 124.7K | — | 283 |
| AS9319KR | HCNCHUNGJU-AS-KR-KR - HCN CHUNGBUK CABLE TV SYSTEMS | 126.7K | — | 202 |
| AS38690KR | HYOSUNGITX-AS-KR-KR - HyosungITX | 129K | — | 17 |
| AS9698KR | YOUNGDOONG-AS-KR-KR - LG HelloVision Corp. | 129.3K | — | 111 |
| AS18318KR | SPEEDON-AS-KR-KR - LG HelloVision Corp. | 131.1K | — | 48 |
| AS9321KR | HYUNET-AS-KR - Hanyang University | 131.1K | — | 17 |
| AS9753KR | DAU-AS-KR - Dong-A Universirty | 132.1K | — | 24 |
| AS7564KR | KAERINET-AS-KR - Korea Atomic Energy Research Institute | 133.4K | — | 32 |
| AS45974KR | NHN-AS-KR-KR - NHNCLOUD | 134.7K | — | 365 |
| AS45370KR | BROADBANDIDC-AS-KR-KR - BROADBANDIDC | 135.9K | 65.5K | 79 |
| AS18310KR | SKB-VITSSEN-AS-KR-KR - SK Broadband Co Ltd | 137.2K | — | 16 |
| AS10066KR | GAYANET-AS-KR-KR - LG HelloVision Corp. | 139.5K | — | 85 |
| AS45985KR | SAMSUNGCLOUDPLATFORM-AS-KR-KR - SamsungSDS Inc. | 139.5K | — | 22 |
| AS23908KR | AIRPORT-AS-KR-KR - IIAC | 141.3K | — | 33 |
| AS10049KR | SKNET-AS-KR - SK Co., | 142.1K | — | 27 |
| AS9697KR | CJHAEUNDAEGIJANG-AS-KR-KR - LG HelloVision Corp. | 148.7K | — | 106 |
| AS4665KR | YONSEI-AS-KR-KR - Yonsei University | 149K | — | 33 |
| AS9761KR | ASIANA-AS-KR - ASIANAIDT | 151.3K | — | 13 |
| AS1781KR | KAIST-DAEJEON-AS-KR-KR - Korea Advanced Institute of Science and Technology | 155.6K | — | 8 |
| AS45361KR | JCN-AS-KR-KR - Ulsan Jung-Ang Broadcasting Network | 165.9K | — | 20 |
| AS17877KR | NEXG-AS-KR-KR - KX NexG Co., LTD | 167.7K | — | 27 |
| AS17878KR | MARK1-AS-KR-KR - DREAMMARK1 | 171.8K | — | 57 |
| AS18313KR | PCN-AS-KR-KR - LG HelloVision Corp. | 171.8K | — | 57 |
| AS7562KR | HCNSEOCHO-AS-KR-KR - HCN Dongjak | 182.5K | — | 134 |
| AS9842KR | LDCC-AS-KR - LOTTE INNOVATE Co.,Ltd | 183.8K | — | 58 |
| AS23576KR | nhn-AS-KR-KR - NAVER Cloud Corp. | 193K | — | 163 |
| AS45996KR | DAOU-AS-KR-KR - DAOU TECHNOLOGY | 194.8K | — | 103 |
| AS9781KR | GCS-AS-KR-KR - GREEN CABLE TELEVISION STATION | 204.8K | — | 65 |
| AS9943KR | KNCTV-AS-KR - KangNam CableTV | 229.6K | — | 113 |
| AS17608KR | ABN-AS-KR-KR - ABN | 245.8K | — | 61 |
| AS17857KR | SKB-NAKDONGDIGITALBUSANNET-AS-KR-KR - SK Broadband Co Ltd | 247K | — | 244 |
| AS38700KR | SMILESERV-AS-KR-KR - SMILESERV | 262.1K | — | 6 |
| AS9488KR | SNU-AS-KR-KR - Seoul National University | 262.7K | — | 20 |
| AS4663KR | ELIMNET-AS-KR-KR - ELIMNET, INC. | 268K | — | 62 |
| AS9981KR | SAERONET-AS-KR-KR - Saero Network Service LTD | 268.3K | — | 80 |