AS18185 4F, No.114, Sec.1, Chung-Shiao W. Road

NTCU-AS-TW - 4F, No.114, Sec.1, Chung-Shiao W. Road · registered in Taiwan

IPv4 addresses4,0961 prefixes · <0.001% of announced IPv4

Rank in Taiwan#92largest network in TW by IPv4 space, of 237 · 0.01% of TW

Rank worldwide#15,733of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryTaiwan288 ASNs registered there

Open AS18185 in ASN lookup Look up an IP in this network (211.76.240.1) All networks in Taiwan

IPv4 prefixes

All 1 prefix, in address order.

211.76.240.0/20

Similar-sized networks in Taiwan

ASNNameIPv4 addresses

AS9680#89 HINETUSA - HiNet Service Center in U.S.A4,096

AS18179#90 E2CENTER-TW - MiTAC Inc.4,096

AS18181#91 NHRINet - National Health Research Institutes4,096

AS18415#93 BWIZ - B-WIZ Technology4,096

AS131151#94 IMCLOUD - Imcloud Technology Co., Ltd.4,096

AS134094#95 SERVERFIELD-AS - Serverfield Co., Ltd.3,584

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