AS63899 National Taiwan University of Science and Technology

CHUAN-CHAN-NET-A - National Taiwan University of Science and Technology · registered in Taiwan

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Taiwan#187largest network in TW by IPv4 space, of 237 · <0.01% of TW

Rank worldwide#53,101of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryTaiwan288 ASNs registered there

Open AS63899 in ASN lookup Look up an IP in this network (103.191.22.1) All networks in Taiwan

IPv4 prefixes

All 1 prefix, in address order.

103.191.22.0/23

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AS63910#189 CLARK-AS - Clark Technology Ltd.512

AS131595#190 KTCFE-NET - Kingston Technology Fareast Corp.512

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