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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 |
| AS152289KR | KIMCHANG-AS-KR-KR - KIMCHANG | 512 | — | 2 |
| AS45409KR | KBCAPITAL-AS-KR-KR - KBCAPITAL | 512 | — | 2 |
| AS131816KR | IBKI-AS-KR-KR - IBK Insurance | 512 | — | 2 |
| AS10170KR | BOKNET-AS-KR - The Bank of Korea | 512 | — | 2 |
| AS152219KR | NEXTRADE-AS-KR-KR - nextrade | 512 | — | 2 |
| AS198840KR | AL-CLOUD YUJUN KIM trading as ALCLOUD | 512 | 1 | 3 |
| AS10191KR | SGMF-AS-KR-KR - SEEGENE MEDICAL FOUNDATION | 512 | — | 2 |
| AS38693KR | TSNET-AS-KR-KR - Korea Transportation Safety Authority | 512 | — | 2 |
| AS38682KR | NIERNET-AS-KR-KR - National Institute of Environmental Research | 512 | — | 2 |
| AS45971KR | FSIISAC-AS-KR-KR - Financial Security Institute | 512 | — | 2 |
| AS152228KR | WOOWA1-AS-KR-KR - Woowa Brothers Corp. | 512 | — | 2 |
| AS9841KR | KOFIANET-AS-KR-KR - Korea Financial Investment Association | 512 | — | 2 |
| AS152287KR | HANWHALIFE-AS-KR-KR - HANWHALIFE | 512 | — | 2 |
| AS10173KR | KSNET-AS-KR - KSNET.Inc | 512 | — | 2 |
| AS38668KR | KONKUKHOSPITAL-AS-KR-KR - Konkuk University Hospital | 512 | — | 2 |
| AS18303KR | SMARTRO-AS-KR-KR - SMARTRO | 512 | — | 2 |
| AS18336KR | KIOM-AS-KR-KR - Korea Institute of Oriental Medicine | 512 | — | 2 |
| AS9685KR | FACT-AS-KR-KR - KOAT | 512 | — | 2 |
| AS55598KR | KEITI-AS-KR-KR - Korea Environmental Technology Industry Institute | 512 | — | 2 |
| AS7627KR | SBS-AS-KR - Seoul Broadcasting System | 512 | — | 2 |
| AS9854KR | KTO-AS-KR-KR - KTO | 512 | — | 2 |
| AS55633KR | DMC-AS-KR-KR - pundang jesaeng general hospital | 512 | — | 2 |
| AS55613KR | KAB-AS-KR-KR - KOREA APPRAISAL BOARD | 512 | — | 2 |
| AS45391KR | AHAKOREA-AS-KR-KR - American Home Assurance Korea | 512 | — | 2 |
| AS17585KR | PPS-AS-KR-KR - Public Procurement Service The Republic of Korea | 512 | — | 2 |
| AS18299KR | BSFN-AS-KR-KR - BNK Securities Co.,Ltd | 512 | — | 2 |
| AS10050KR | NL-AS-KR-KR - The National Library of Korea | 512 | — | 2 |
| AS9766KR | SHINHANLIFE1-KR - SHINHAN LIFE INSURANCE CO.,LTD. | 512 | — | 2 |
| AS10043KR | MIC-AS-KR-KR - Ministry of Science and ICT | 512 | — | 2 |
| AS17851KR | KPETRO-AS-KR-KR - KPETRO | 512 | — | 2 |
| AS55585KR | LIGSTOCK-AS-KR-KR - CAPE Investment Securitie Co., Ltd. | 512 | — | 2 |
| AS45364KR | YTN-AS-KR-KR - YTN | 512 | — | 2 |
| AS131824KR | BROADNNET-AS-KR-KR - OK AX Co., Ltd. | 512 | — | 2 |
| AS17860KR | WEBZEN-AS-KR-KR - Webzen Inc. | 512 | — | 2 |
| AS45987KR | DONGWHA-AS-KR-KR - Dongwha Enterprise Co. Ltd. | 512 | — | 2 |
| AS131805KR | NHSAVINGSBANK-AS-KR-KR - NHSAVINGSBANK | 512 | — | 2 |
| AS23572KR | AIAK-AS-KR-KR - American International Assurance Company Korea | 512 | — | 2 |
| AS38702KR | KEBHANAATM-AS-KR-KR - Hana Bank Co. | 512 | — | 2 |
| AS9571KR | INICIS-AS-KR - INICIS Co., Ltd | 512 | — | 2 |
| AS18338KR | STARVAN-AS-KR-KR - DAOUDATA | 512 | — | 2 |
| AS17855KR | HANENT-AS-KR-KR - HANNET Co.,Ltd. | 512 | — | 2 |
| AS152230KR | WOOWA2-AS-KR-KR - Woowa Brothers Corp. | 512 | — | 2 |
| AS38100KR | INICIS-AS-KR-KR - INICIS Co., Ltd | 512 | — | 2 |
| AS131099KR | CDNSKR-AS-KR-KR - Korea Internet Security Agency | 512 | — | 2 |
| AS55617KR | KB55617-AS-KR-KR - The Kwangju Bank Ltd. | 512 | — | 2 |
| AS131798KR | SSNW-AS-KR-KR - Sangsang Networks Co., Ltd. | 512 | — | 1 |