AS18045 SinoPac Holdings Corporate Network

SINOPAC - SinoPac Holdings Corporate Network · registered in Taiwan

IPv4 addresses3,0727 prefixes · <0.001% of announced IPv4

Rank in Taiwan#102largest network in TW by IPv4 space, of 237 · <0.01% of TW

Rank worldwide#18,611of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryTaiwan288 ASNs registered there

Open AS18045 in ASN lookup Look up an IP in this network (211.76.144.1) All networks in Taiwan

IPv4 prefixes

All 7 prefixes, in address order.

211.76.144.0/24
211.76.146.0/23
211.76.148.0/24
211.76.150.0/23
211.76.152.0/24
211.76.155.0/24
211.76.156.0/22

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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