Home
/
ASN directory
/
AS9858
AS9858 Korea Internet Security Agency
KRNICNET-KR - Korea Internet Security Agency · registered in South Korea
IPv4 addresses 5,120 12 prefixes · <0.001% of announced IPv4
Rank in South Korea #286 largest network in KR by IPv4 space, of 853 · <0.01% of KR
Rank worldwide #13,283 of 79,396 networks with IPv4
IPv6 1 x /32 (65,536 x /48) 1 prefixes
IPv4 prefixes
All 12 prefixes, in address order.
49.8.0.0/24 49.8.2.0/24 49.8.4.0/24 49.8.8.0/21 49.8.16.0/24 49.8.18.0/23 49.8.21.0/24 49.11.0.0/24 49.11.31.0/24 110.92.23.0/24 192.132.15.0/24 202.20.85.0/24
IPv6 prefixes
All 1 prefix.
Other ASNs named Korea Internet Security Agency
9 other networks use the same organisation name; together with AS9858 they announce 15,616 IPv4 addresses.
ASN Name IPv4 addresses
AS23600 GDNSKR-KR-KR - Korea Internet Security Agency KR 3,072 AS9640 KRCERT-AS-KR-KR - Korea Internet Security Agency KR 2,048 AS23596 EDNSKR-KR-KR - Korea Internet Security Agency KR 1,280 AS23599 DDNSKR-KR-KR - Korea Internet Security Agency KR 1,024 AS9642 KISA-KR - Korea Internet Security Agency KR 1,024 AS131100 FDNSKR-AS-KR-KR - Korea Internet Security Agency KR 768 AS131098 BDNSKR-AS-KR-KR - Korea Internet Security Agency KR 512 AS131099 CDNSKR-AS-KR-KR - Korea Internet Security Agency KR 512 AS9755 RPKINET1-KR - Korea Internet Security Agency KR 256
Similar-sized networks in South Korea
ASN Name IPv4 addresses
AS18337 #283 KSUCC-AS-KR-KR - KyungSan University5,376 AS38417 #284 GOEGP-AS-KR-KR - Gyeonggi Province Gapyeong office of Education5,376 AS55622 #285 CNUE-AS-KR-KR - CNUE5,376 AS4669 #287 NOWCOM-AS-KR-KR - SOOP Co., Ltd5,120 AS9774 #288 DSU-AS-KR - Dongseo University5,120 AS10053 #289 AYTCNET-AS-KR - yeonsung University5,120
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