Taiwan
IP address space, AS numbers and the largest networks registered in Taiwan, based on the delegation records of the regional internet registries.
IPv4 addresses
34.5M
1,074 blocks
IPv6 allocations
324
AS numbers
481
Routed AS numbers
284
Largest networks in Taiwan
By announced prefixes| AS | Name | IPv4 prefixes | IPv6 prefixes |
|---|---|---|---|
| AS4780 | SEEDNET Digital United Inc. | 1,559 | 13 |
| AS24158 | taiwanmobile-as Taiwan Mobile Co., Ltd. | 544 | 506 |
| AS9919 | NCIC-TW New Century InfoComm Tech Co., Ltd. | 849 | 16 |
| AS9924 | TFN-TW Taiwan Fixed Network, Telco and Network Service Provider. | 624 | 10 |
| AS38841 | kbro-AS-TW kbro CO. Ltd. | 438 | 38 |
| AS24154 | APBT-AS-TW Asia Pacific Broadband Fixed Lines Co., Ltd. | 328 | 10 |
| AS3462 | HINET Data Communication Business Group | 249 | 84 |
| AS9676 | SAVECOM-TW SaveCom Internation Inc. | 300 | 2 |
| AS131602 | HYA Hsin Yeong An Cable TV Co., Ltd. | 267 | 0 |
| AS131591 | AMBIT-AS-TW Ambit Microsystem Corporation | 263 | 1 |
| AS24164 | UBBNET-AS-TW UNION BROADBAND NETWORK | 237 | 12 |
| AS18049 | TINP-TW Taiwan Infrastructure Network Technologie | 238 | 1 |
| AS17421 | EMOME-NET Mobile Business Group | 191 | 34 |
| AS9922 | NKB-AS-TW New Kaohsiung Broadband LTD. | 163 | 0 |
| AS17809 | VEETIME-TW-AP VEE TIME CORP. | 118 | 16 |
| AS9674 | FET-TW Far EastTone Telecommunication Co., Ltd. | 87 | 40 |
| AS18046 | DONGFONG-TW DongFong Technology Co. Ltd. | 108 | 2 |
| AS17408 | ABOVE-AS-AP AboveNet Communications Taiwan | 106 | 4 |
| AS131611 | GLOBALTRANSIT-AS-SDTV San Da Cable TV Co., Ltd. | 92 | 0 |
| AS17709 | APT Asia Pacific Telecom | 81 | 7 |
| AS18182 | SONET-TW Sony Network Taiwan Limited | 84 | 2 |
| AS131627 | Peicity-AS-TW Peicity Digital Cable Television., LTD | 84 | 0 |
| AS9416 | MULTIMEDIA-AS-AP Hoshin Multimedia Center Inc. | 79 | 1 |
| AS7482 | APOL-AS Asia Pacific On-line Service Inc. | 76 | 1 |
| AS9311 | HITRON-AS-AP HITRON TECHNOLOGY INC. | 75 | 1 |
| AS208223 | FOXO-AS SHU-HAO TUNG | 3 | 66 |
| AS131584 | TAIFO-AS-TW Taiwan Intelligent Fiber Optic Network Co.,Ltd. | 55 | 8 |
| AS24163 | UBBNET-AS-TW UNION BROADBAND NETWORK | 59 | 3 |
| AS131645 | KLICKKLACK-AS-TW KLICKKLACK CO., LTD. | 10 | 52 |
| AS131642 | PNI-AS-TW Pittqiao Network Information Co.,Ltd. | 56 | 3 |
Delegations by registry: APNIC 1,381, ARIN 9, RIPE 8. Updated 2026-10-04.