AS9270 National Infomation Society Agency

APAN-KR-AS-KR - National Infomation Society Agency · registered in South Korea

IPv4 addresses18,43211 prefixes · <0.001% of announced IPv4

Rank in South Korea#169largest network in KR by IPv4 space, of 853 · 0.02% of KR

Rank worldwide#6,429of 79,396 networks with IPv4

IPv665,535 x /4816 prefixes

CountrySouth Korea869 ASNs registered there

Open AS9270 in ASN lookup Look up an IP in this network (45.248.72.1) All networks in South Korea

IPv4 prefixes

All 11 prefixes, in address order.

45.248.72.0/22
61.252.48.0/20
103.22.220.0/22
116.89.160.0/21
116.89.168.0/22
116.89.172.0/23
116.89.174.0/24
116.89.175.0/24
116.89.176.0/20
203.255.248.0/21
210.114.88.0/21

IPv6 prefixes

All 16 prefixes.

2407:c000::/33
2407:c000:8000::/34
2407:c000:c000::/43
2407:c000:c020::/46
2407:c000:c024::/48
2407:c000:c026::/47
2407:c000:c028::/45
2407:c000:c030::/44
2407:c000:c040::/42
2407:c000:c080::/41
2407:c000:c100::/40
2407:c000:c200::/39
2407:c000:c400::/38
2407:c000:c800::/37
2407:c000:d000::/36
2407:c000:e000::/35

Other ASNs named National Infomation Society Agency

1 other network uses the same organisation name; together with AS9270 they announce 26,624 IPv4 addresses.

ASNNameIPv4 addresses

AS9494KOSINET-AS-KR - National Infomation Society Agency KR8,192

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS23570#166 incheon-AS-KR-KR - UNIVERSITY OF INCHEON19,456

AS23571#167 GWED-AS-KR-KR - Gangwon State Office of Education18,944

AS38105#168 SCH-AS-KR-KR - SOON CHUN HYANG UNIVERSITY18,688

AS38099#170 KAKAO-AS-KR-KR - Kakao Corp17,920

AS18034#171 KANGNUNG-AS-KR-KR - Gangneung-Wonju National University16,896

AS55618#172 UOU-AS-KR-KR - UNIVERSITY OF ULSAN16,896

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