AS131644 Taiwan Network Information Center

TWNIC-AS - Taiwan Network Information Center · registered in Taiwan

IPv4 addresses2,3046 prefixes · <0.001% of announced IPv4

Rank in Taiwan#109largest network in TW by IPv4 space, of 237 · <0.01% of TW

Rank worldwide#21,086of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryTaiwan288 ASNs registered there

Open AS131644 in ASN lookup Look up an IP in this network (61.67.121.1) All networks in Taiwan

IPv4 prefixes

All 6 prefixes, in address order.

61.67.121.0/24
101.101.101.0/24
101.102.103.0/24
103.235.89.0/24
119.75.240.0/22
182.173.0.0/24

Other ASNs named Taiwan Network Information Center

3 other networks use the same organisation name; together with AS131644 they announce 8,704 IPv4 addresses.

ASNNameIPv4 addresses

AS18180TWNIC-AS - Taiwan Network Information Center TW5,888

AS131621TWNIC-NET-AS - Taiwan Network Information Center TW256

AS17718TWNIC - Taiwan Network Information center TW256

Similar-sized networks in Taiwan

ASNNameIPv4 addresses

AS45761#106 GAMANET-AS-AP - Gamania CloudForce Co., Ltd2,560

AS131659#107 NETEASE-AS-TW - NETEASE2,560

AS135596#108 HANSTECH-AS-HK - Hans Online Services2,560

AS131646#110 COREWINNER-AS-TW - CORE WINNER CO.,LIMITED TAIWAN BRANCH2,304

AS139065#111 ATCL-AS-AP - Apeiro8 Technology Co., Ltd.2,304

AS136462#112 MOOTECHASIA-AS-AP - Mootech Asia2,048

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