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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 |
| 1K |
| — |
| 4 |
| AS131842KR | YSP-AS-KR-KR - Office of the president | 1K | — | 1 |
| AS9522KR | GOODCYBER-AS-KR - Shinhan Securities Co.,Ltd. | 1K | — | 4 |
| AS9840KR | INSPIREKOREA-AS-KR-KR - INSPIRE Integrated Resort | 1K | — | 4 |
| AS9843KR | NACFFUTURES-AS-KR - NHINFORMATIONSYSTEM | 1K | — | 4 |
| AS17587KR | EDUHANSOL-AS-KR-KR - HANSOL GYOYOOK | 1K | — | 4 |
| AS45384KR | EXTKSURE-AS-KR-KR - Korea trade insurance corporation | 1K | — | 4 |
| AS38125KR | FREEWAY-AS-KR-KR - Korea Expressway Corporation | 1K | — | 4 |
| AS9974KR | KRA-AS-KR-KR - Korea Racing Association | 1K | — | 4 |
| AS10172KR | KBBOOK-AS-KR - KYOBO BOOK CENTER | 1K | — | 3 |
| AS9968KR | KYOBO-AS-KR - KYOBO Life Insurance Co., Ltd. | 1K | — | 4 |
| AS9628KR | TONGYANGLIFE-AS-KR-KR - TONGYANG LIFE INSURANCE CO., LTD. | 1K | — | 4 |
| AS210576KR | AS-YAGUMYAGUM Sangmin Lee trading as YAGUMYAGUM | 1K | 20 | 24 |
| AS45407KR | DONGWON-AS-KR-KR - DONGWON INDUSTRIES | 1K | — | 4 |
| AS9634KR | SHNS-AS-KR - Shinhan Securities Co.,Ltd. | 1K | — | 4 |
| AS38106KR | SECUREIDC-AS-KR-KR - Korea Security Technology Co., Ltd. | 1K | — | 4 |
| AS38124KR | DGBDATASYSTEM-AS-KR-KR - iM DS Co.,Ltd. | 1K | — | 4 |
| AS10181KR | KRS-AS-KR-KR - Korea Register of Shipping | 1K | — | 4 |
| AS10062KR | BHA-AS-KR-KR - Branksome Hall Asia | 1K | — | 4 |
| AS17602KR | CRETEC-AS-KR-KR - CRETEC CHEGIM | 1K | — | 4 |
| AS9951KR | AMWAYKOREA-AS-KR-KR - AMWAYKOREA | 1K | — | 1 |
| AS9699KR | KFB-AS-KR - Standard Chartered | 1K | — | 4 |
| AS23594KR | YKKNET-AS-KR-KR - YKK KOREA CO., LTD. | 1K | — | 4 |
| AS9701KR | VIAWEB-AS-KR-KR - viaweb | 1K | — | 4 |
| AS38409KR | GOEDY-AS-KR-KR - Dongducheonyangju office of Education | 1K | — | 4 |
| AS131810KR | KBONECLOUDGP-AS-KR-KR - KOOKMIN BANK | 1K | — | 4 |
| AS38412KR | GOEIC-AS-KR-KR - Gyeonggi-Do Icheon office of Education | 1K | — | 4 |
| AS131802KR | NHLIFE-AS-KR-KR - NongHyup Life Insurance | 1K | — | 4 |
| AS17581KR | MIRAEASSET-AS-KR-KR - MIRAE ASSET SECURITIES CO., LTD. | 1K | — | 4 |
| AS4756KR | KNPU1208-AS-KR-KR - Korea National Police University | 1K | — | 3 |
| AS10184KR | KFCCC-AS-KR - Korean Federation of Community Credit Cooperatives | 1K | — | 4 |
| AS18295KR | ALLIANZ-AS-KR-KR - ABL Life Insurance Co., Ltd. | 1K | — | 4 |
| AS18294KR | NFFC-AS-KR-KR - SUHYUP BANK | 1K | — | 4 |
| AS152226KR | PARADISE-AS-KR-KR - PARADISE | 1K | — | 4 |
| AS55604KR | KOMSCO-AS-KR-KR - KOMSCO | 1K | — | 4 |
| AS23599KR | DDNSKR-KR-KR - Korea Internet Security Agency | 1K | 3 | 7 |
| AS38405KR | GOEKM-AS-KR-KR - Gwang Myeong Office of Education | 1K | — | 4 |
| AS23573KR | OCIC-AS-KR-KR - OCI Information Communication | 1K | — | 4 |
| AS9646KR | eGIOS-AS-KR - eGIOS | 1K | — | 4 |
| AS153589KR | VOLVO-GROUP-IT-APNIC-AS-AP - VOLVO GROUP KOREA CO LTD | 1K | — | 4 |
| AS55597KR | NCC-AS-KR-KR - National Cancer Center | 1K | — | 1 |
| AS10187KR | KISDI-AS-KR-KR - Korea Information Society Developement Institute | 1K | — | 1 |
| AS38129KR | S1-AS-KR-KR - S1 CORPORATION | 1K | — | 4 |
| AS38122KR | SGIC-AS-KR-KR - Seoul Guarantee Insurance Company | 1K | — | 4 |
| AS9850KR | WOWTV-AS-KR - WOW-TV | 1K | — | 4 |
| AS10188KR | CHADWICK-AS-KR-KR - Songdo Chadwick international School | 1K | — | 4 |
| AS38399KR | GOEYJ-AS-KR-KR - Gyeonggi-do Yeoju Office of Education | 1K | — | 4 |