AS45971 Financial Security Institute

FSIISAC-AS-KR-KR - Financial Security Institute · registered in South Korea

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in South Korea#667largest network in KR by IPv4 space, of 853 · <0.01% of KR

Rank worldwide#51,811of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS45971 in ASN lookup Look up an IP in this network (103.59.156.1) All networks in South Korea

IPv4 prefixes

All 2 prefixes, in address order.

103.59.156.0/24
103.59.159.0/24

Other ASNs named Financial Security Institute

1 other network uses the same organisation name; together with AS45971 they announce 768 IPv4 addresses.

ASNNameIPv4 addresses

AS55609FSICERT-AS-KR-KR - Financial Security Institute KR256

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS45404#664 SHINHANLIFE-AS-KR-KR - SHINHAN LIFE INSURANCE CO.,LTD.512

AS45409#665 KBCAPITAL-AS-KR-KR - KBCAPITAL512

AS45968#666 KONACENTER-AS-KR-KR - KONAI512

AS45987#668 DONGWHA-AS-KR-KR - Dongwha Enterprise Co. Ltd.512

AS45992#669 CG-AS-KR-KR - Construction Guarantee Cooperative512

AS45993#670 SBDNET-AS-KR-KR - SHINBUNDANG RAILROAD512

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