AS131588 Financial Information Service Co., Ltd.

FISC-AS-TW - Financial Information Service Co., Ltd. · registered in Taiwan

IPv4 addresses7682 prefixes · <0.001% of announced IPv4

Rank in Taiwan#149largest network in TW by IPv4 space, of 237 · <0.01% of TW

Rank worldwide#42,665of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)16 prefixes

CountryTaiwan288 ASNs registered there

Open AS131588 in ASN lookup Look up an IP in this network (103.229.132.1) All networks in Taiwan

IPv4 prefixes

All 2 prefixes, in address order.

103.229.132.0/24
103.229.134.0/23

IPv6 prefixes

All 16 prefixes.

2400:e480::/45
2400:e480:8::/46
2400:e480:c::/47
2400:e480:e::/47
2400:e480:10::/44
2400:e480:20::/43
2400:e480:40::/42
2400:e480:80::/41
2400:e480:100::/40
2400:e480:200::/39
2400:e480:400::/38
2400:e480:800::/37
2400:e480:1000::/36
2400:e480:2000::/35
2400:e480:4000::/34
2400:e480:8000::/33

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AS9923#150 AS-SIMPLE - Simple Information, Inc.768

AS150137#151 SWILTB-AS-AP - Sky Wise International Limited Taiwan Branch768

AS18427#152 WARNERLINK - SUSTAINATEGY LIMITED768

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