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How South Korea ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
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.
1,184 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 | 116 |
| AS6619KR | SAMSUNGSDS-AS-KR-KR - SamsungSDS Inc. | 1.4M | 124 |
| AS9848KR | SejongTelecom-AS-KR-KR - SEJONG NETWORKS | 1.1M | 233 |
| AS9457KR | DREAMX-AS-KR - DREAMLINE CO. | 917K | 121 |
| 256 |
| — |
| 1 |
| AS46007KR | RXN-AS-KR-KR - RXN | 256 | — | 1 |
| AS10155KR | KOSME-AS-KR-KR - KOSME | 256 | — | 1 |
| AS131860KR | NHFIREPN-AS-KR-KR - Nonghyup Property and Casualty Insurance Co.,Ltd | 256 | — | 1 |
| AS17842KR | KANGWONLAND-AS-KR-KR - Kangwon Land,Inc. | 256 | — | 1 |
| AS55594KR | KBPHYINT-AS-KR-KR - KOOKMIN BANK | 256 | — | 1 |
| AS10192KR | KIWOOM-AS-KR-KR - kiwoom Securities.co.,Ltd | 256 | — | 1 |
| AS17606KR | SMLNET-AS-KR-KR - SM LINE CORPORATION | 256 | — | 1 |
| AS45963KR | KIRAMS-AS-KR-KR - KIRAMS (Korea Institute of Radiological Medical Sciences) | 256 | — | 1 |
| AS9574KR | TP-AS-KR-KR - Teachers Pension | 256 | — | 1 |
| AS45397KR | KFPP-AS-KR-KR - KOREA ADVANCING SCHOOLS FOUNDATION | 256 | — | 1 |
| AS45969KR | INIVAN-AS-KR-KR - INICIS Co., Ltd | 256 | — | 1 |
| AS55609KR | FSICERT-AS-KR-KR - Financial Security Institute | 256 | — | 1 |
| AS131847KR | KDHC-AS-KR-KR - Korea District Heating Corporation | 256 | — | 1 |
| AS152222KR | HCI02-AS-KR-KR - HYUNDAI COMMERCIAL INC. | 256 | — | 1 |
| AS55596KR | GILHOSP-AS-KR-KR - Gachon University Gil Hospital | 256 | — | 1 |
| AS17594KR | SMBS-AS-KR-KR - SMBS | 256 | — | 1 |
| AS9487KR | KTFC1120-AS-KR -KR - Korea Technology Finance Corporation | 256 | — | 1 |
| AS9958KR | KAKAOGAMES-AS-KR-KR - kakaogames | 512 | — | 2 |
| AS38421KR | MIRAEASSETUY-AS-KR-KR - Mirae Asset Investment Management Co., Ltd. | 512 | — | 2 |
| AS23585KR | MOJNET-AS-KR-KR - Ministry of Justice | 512 | — | 2 |
| AS9975KR | KBISE-AS-KR-KR - Gyeongsangbuk-do Education Research Institute | 512 | — | 1 |
| AS9854KR | KTO-AS-KR-KR - KTO | 512 | — | 2 |
| AS45992KR | CG-AS-KR-KR - Construction Guarantee Cooperative | 512 | — | 2 |
| AS131805KR | NHSAVINGSBANK-AS-KR-KR - NHSAVINGSBANK | 512 | — | 2 |
| AS10193KR | BUSANBANK-AS-KR-KR - BUSANBANK | 512 | — | 2 |
| AS17601KR | KCGF-AS-KR-KR - KOREA CREDIT GUARANTEE FUND | 512 | — | 2 |
| AS9947KR | KTC-AS-KR-KR - kt cloud Co., Ltd | 512 | — | 2 |
| AS9841KR | KOFIANET-AS-KR-KR - Korea Financial Investment Association | 512 | — | 2 |
| AS55598KR | KEITI-AS-KR-KR - Korea Environmental Technology Industry Institute | 512 | — | 2 |
| AS23971KR | CHUGYE-AS-KR-KR - CHUGYE UNIVERSITY FOR THE ARTS | 512 | — | 2 |
| AS23568KR | CRA-AS-KR-KR - CycleBoat Racing Business Division | 512 | — | 2 |
| AS10043KR | MIC-AS-KR-KR - Ministry of Science and ICT | 512 | — | 2 |
| AS218221KR | QUICKMETAL-AS Minjun Kang | 512 | — | 2 |
| AS152216KR | KACRPR-AS-KR-KR - Korea Insurance Development Institute | 512 | — | 2 |
| AS131824KR | BROADNNET-AS-KR-KR - OK AX Co., Ltd. | 512 | — | 2 |
| AS45409KR | KBCAPITAL-AS-KR-KR - KBCAPITAL | 512 | — | 2 |
| AS23564KR | CITIBANKKOREA-AS-KR-KR - Citibank Korea | 512 | — | 2 |
| AS17844KR | NPS01-AS-KR-KR - National Pension Service | 512 | — | 2 |
| AS38433KR | KFAC-AS-KR-KR - Korea Fund Administration Compliance | 512 | — | 2 |
| AS18336KR | KIOM-AS-KR-KR - Korea Institute of Oriental Medicine | 512 | — | 2 |
| AS198840KR | AL-CLOUD YUJUN KIM trading as ALCLOUD | 512 | 1 | 3 |
| AS152230KR | WOOWA2-AS-KR-KR - Woowa Brothers Corp. | 512 | — | 2 |
| AS9636KR | NHNPAYCO-AS-KR-KR - NHNPayco | 512 | — | 1 |
| AS55623KR | KIDI-AS-KR-KR - Korea Insurance Development Institute | 512 | — | 2 |
| AS55585KR | LIGSTOCK-AS-KR-KR - CAPE Investment Securitie Co., Ltd. | 512 | — | 2 |
| AS9948KR | NICEMONEY-AS-KR-KR - NICE TCM | 512 | — | 2 |