AS23675 Taiwan Semiconductor Manufactoring Company, Ltd.

TSMCGDN-AS-AP - Taiwan Semiconductor Manufactoring Company, Ltd. · registered in Taiwan

IPv4 addresses4,8648 prefixes · <0.001% of announced IPv4

Rank in Taiwan#81largest network in TW by IPv4 space, of 237 · 0.01% of TW

Rank worldwide#14,019of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryTaiwan288 ASNs registered there

Open AS23675 in ASN lookup Look up an IP in this network (106.105.110.1) All networks in Taiwan

IPv4 prefixes

All 8 prefixes, in address order.

106.105.110.0/24
202.126.64.0/21
202.126.72.0/22
203.66.100.0/23
203.66.102.0/24
203.66.245.0/24
208.70.204.0/24
220.128.55.0/24

Similar-sized networks in Taiwan

ASNNameIPv4 addresses

AS131142#78 APOL-AS-TW - Asia Pacific On-Line Service Inc.5,120

AS63902#79 SHINETEL-AS-TW - SHINE TELECOM CO., LTD.5,120

AS9678#80 HOSTINGINSIDE-INTL - HostingInside LTD4,864

AS18411#82 EDTNS-AS-TW - EDT Network Services Limited Co,Ltd.4,608

AS9918#83 TAIFU-AS - TAI FU INTERNATIONAL NETWORK CO., LTD.4,352

AS38854#84 ZENLAYER-AS-TW Zenlayer4,352

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