AS10058 NACUFOK

CU-AS-KR-KR - NACUFOK · registered in South Korea

IPv4 addresses1,2805 prefixes · <0.001% of announced IPv4

Rank in South Korea#444largest network in KR by IPv4 space, of 853 · <0.01% of KR

Rank worldwide#28,373of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS10058 in ASN lookup Look up an IP in this network (59.27.104.1) All networks in South Korea

IPv4 prefixes

All 5 prefixes, in address order.

59.27.104.0/24
61.33.221.0/24
61.85.84.0/24
61.85.91.0/24
210.121.201.0/24

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS9707#441 WORKNET-AS-KR - Korea Employment Information Management Agency1,280

AS9967#442 KOOKMINCARD2-AS-KR-KR - kbcard1,280

AS10056#443 HDMF-AS-KR - Hyundai Marin Fire Insurance1,280

AS10156#445 SNUE-AS-KR-KR - Seoul National University of Education1,280

AS10196#446 HNCBWORLD-AS-KR-KR - KOOKMIN BANK1,280

AS17600#447 ENVICO-AS-KR-KR - KOREA RESOURCES RECOVERY AND REUTILIZATION CORPORATION1,280

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources