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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 |
| 512 |
| — |
| 2 |
| AS152228KR | WOOWA1-AS-KR-KR - Woowa Brothers Corp. | 512 | — | 2 |
| AS131874KR | KDBC-AS-KR-KR - KDB CAPITAL CORPORATION | 512 | — | 2 |
| AS23572KR | AIAK-AS-KR-KR - American International Assurance Company Korea | 512 | — | 2 |
| AS131814KR | PMC-AS-KR-KR - Presbyterian Medical Center | 512 | — | 2 |
| AS131824KR | BROADNNET-AS-KR-KR - OK AX Co., Ltd. | 512 | — | 2 |
| AS17601KR | KCGF-AS-KR-KR - KOREA CREDIT GUARANTEE FUND | 512 | — | 2 |
| AS10039KR | KHIDI-AS-KR-KR - Korea Health Industry Development Institute | 512 | — | 2 |
| AS23589KR | MOEDR-AS-KR-KR - KERIS | 512 | — | 2 |
| AS131816KR | IBKI-AS-KR-KR - IBK Insurance | 512 | — | 2 |
| AS45398KR | HINETWORKS-AS-KR-KR - HiLine Internet Service Inc. | 256 | — | 1 |
| AS45362KR | TRUSTONASSET-AS-KR-KR - TRUSTONASSET | 256 | — | 1 |
| AS10037KR | EGFS-AS-KR-KR - EUGENE INVESTMENT FUTURES Co.,Ltd. | 256 | — | 1 |
| AS9635KR | PUFS-AS-KR - Pusan University of Foreign Studies | 256 | — | 1 |
| AS46000KR | KBINSURE-AS-KR-KR - KB Insurance | 256 | — | 1 |
| AS214189KR | DoyeonLee-AS Doyeon Lee | 256 | — | 1 |
| AS9487KR | KTFC1120-AS-KR -KR - Korea Technology Finance Corporation | 256 | — | 1 |
| AS131844KR | NHFIREFO-AS-KR-KR - Nonghyup Property and Casualty Insurance Co.,Ltd | 256 | — | 1 |
| AS9709KR | KISVAN-AS-KR-KR - KIS Information Communication,Inc | 256 | — | 1 |
| AS45360KR | SSYC-AS-KR-KR - SSANGYONG CEMENT INDUSTRY CO.,LTD | 256 | — | 1 |
| AS9861KR | HIAM-AS-KR-KR - Vi Asset Management Co., Ltd | 256 | — | 1 |
| AS131808KR | WESTERNPOWER-AS-KR-KR - KOREA WESTERN POWER | 256 | — | 1 |
| AS131097KR | KEAD-AS-KR-KR - KEAD | 256 | — | 1 |
| AS131817KR | MINWISE-AS-KR-KR - Hecto Innovation Co., Ltd | 256 | — | 1 |
| AS9772KR | JBBANK-AS-KR-KR - Jeonbuk Bank | 256 | — | 1 |
| AS131096KR | MASTERCAR-AS-KR-KR - Master Motors Management | 256 | — | 1 |
| AS9525KR | DBFI-AS-KR - DB Securities Co.,Ltd. | 256 | — | 1 |
| AS45973KR | KOTRA-AS-KR-KR - KOTRA | 256 | — | 1 |
| AS131873KR | HARIM-AS-KR-KR - HARIM | 256 | — | 1 |
| AS10168KR | NSKFB-AS-KR - Standard Chartered | 256 | — | 1 |
| AS131811KR | KBONECLOUDYD-AS-KR-KR - KOOKMIN BANK | 256 | — | 1 |
| AS9575KR | KCTC-AS-KR-KR - KCTC | 256 | — | 1 |
| AS55601KR | ECFC-AS-KR-KR - Electric Contractors Financial Cooperative | 256 | — | 1 |
| AS23560KR | METLIFEKOREA-AS-KR-KR - MetLife Korea | 256 | — | 1 |
| AS17840KR | KOREACERT-AS-KR-KR - KECA, Inc. | 256 | — | 1 |
| AS38098KR | NICEVAN04-AS-KR-KR - NICE Information Telecommunication, Inc | 256 | — | 1 |
| AS3976KR | ERX-NURI-ASN - I.Net Technologies Inc. | 256 | — | 1 |
| AS10177KR | GREENCROSSLIFEINSURANCE-AS-KR-KR - FUBON HYUNDAI LIFE INSURANCE CO.,LTD | 256 | — | 1 |
| AS46011KR | LX-AS-KR-KR - LX | 256 | — | 1 |
| AS18308KR | POONGSAN-AS-KR-KR - POONGSAN | 256 | — | 1 |
| AS17867KR | KBINET-AS-KR-KR - KOREA BANKING INSTITUTE | 256 | — | 1 |
| AS152208KR | AOSVPN-AS-KR-KR - KART, KIDI | 256 | — | 1 |
| AS152280KR | MGFOREST-AS-KR-KR - MG Credit Information | 256 | — | 1 |
| AS9846KR | FIRSTDATA-AS-KR-KR - KPN | 256 | — | 1 |
| AS152220KR | HWPE-AS-KR-KR - Hanwha Asset Management | 256 | — | 1 |
| AS38425KR | SEJONGTELECOM-AS-KR-KR - SEJONG NETWORKS | 256 | — | 1 |
| AS131847KR | KDHC-AS-KR-KR - Korea District Heating Corporation | 256 | — | 1 |