Networks in Taiwan

288 autonomous systems are registered in Taiwan (TW). Together they announce 33,212,671 IPv4 addresses, 1.06% of the announced total, which ranks Taiwan #15 of 240 countries.

Autonomous systems288237 announce IPv4, 51 IPv6 only

IPv4 addresses33,212,6711.06% of announced IPv4 · #15 worldwide

Top 5 networks hold68.7%of Taiwan's IPv4 space

IPv6955 x /32 (62,592,926 x /48)168 of 288 networks (58%) announce IPv6

Small networks31announce a single /24 (256 addresses) or less

Look up AS3462, the largest network in TW Look up any IP or ASN

Top 50 networks in Taiwan by IPv4 space

#ASNNetworkIPv4 addressesOf TW

1 AS3462 HINET - Data Communication Business Group 12,223,487 36.80%

2 AS1659 ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center 5,495,808 16.55%

3 AS9674 FET-TW - Far EastTone Telecommunication Co., Ltd. 1,832,960 5.52%

4 AS17421 EMOME-NET - Mobile Business Group 1,655,808 4.99%

5 AS4780 SEEDNET - Digital United Inc. 1,618,176 4.87%

6 AS9924 TFN-TW - Taiwan Fixed Network, Telco and Network Service Provider. 1,512,192 4.55%

7 AS9416 MULTIMEDIA-AS-AP - Hoshin Multimedia Center Inc. 1,220,864 3.68%

8 AS17709 APT - Asia Pacific Telecom 615,936 1.85%

9 AS38841 kbro-AS-TW - kbro CO. Ltd. 596,224 1.80%

10 AS24158 taiwanmobile-as - Taiwan Mobile Co., Ltd. 541,696 1.63%

11 AS7482 APOL-AS - Asia Pacific On-line Service Inc. 526,336 1.58%

12 AS9919 NCIC-TW - New Century InfoComm Tech Co., Ltd. 499,200 1.50%

13 AS4782 GSNET - Data Communication Business Group 414,208 1.25%

14 AS131596 TBCOM-NET - TBC 354,048 1.07%

15 AS18049 TINP-TW - Taiwan Infrastructure Network Technologie 327,168 0.99%

16 AS18182 SONET-TW - Sony Network Taiwan Limited 320,256 0.96%

17 AS9676 SAVECOM-TW - SaveCom Internation Inc. 251,904 0.76%

18 AS24164 UBBNET-AS-TW - UNION BROADBAND NETWORK 249,088 0.75%

19 AS17809 VEETIME-TW-AP - VEE TIME CORP. 180,224 0.54%

20 AS18046 DONGFONG-TW - DongFong Technology Co. Ltd. 155,904 0.47%

21 AS131627 Peicity-AS-TW - Peicity Digital Cable Television., LTD 134,912 0.41%

22 AS131591 AMBIT-AS-TW - Ambit Microsystem Corporation 127,488 0.38%

23 AS18042 KBT - Koos Broadband Telecom 123,136 0.37%

24 AS18419 DADA-AS-TW - DaDa Broadband LTD. 116,736 0.35%

25 AS24154 APBT-AS-TW - Asia Pacific Broadband Fixed Lines Co., Ltd. 98,816 0.30%

26 AS9916 NCTU-TW - National Yang Ming Chiao Tung University 93,696 0.28%

27 AS7539 TWAREN-TW - National Center for High-performance Computing 85,504 0.26%

28 AS131602 HYA - Hsin Yeong An Cable TV Co., Ltd. 84,736 0.26%

29 AS17716 NTU-TW - National Taiwan University 76,800 0.23%

30 AS18047 NTHU-TW - National Tsing-Hua University 73,728 0.22%

31 AS9264 ASNet - Academia Sinica 71,424 0.22%

32 AS18422 ITRINET-AS-TW - Industrial Technology Research Institute 69,632 0.21%

33 AS7535 TISNET - TISNET Technology Inc. 65,536 0.20%

34 AS17713 NSYSU-TW - Ministry of Education Computer Center 65,536 0.20%

35 AS18420 NCU-TW - National Central University 65,536 0.20%

36 AS24163 UBBNET-AS-TW - UNION BROADBAND NETWORK 64,256 0.19%

37 AS24165 UBBNET-AS-TW - UNION BROADBAND NETWORK 64,256 0.19%

38 AS38851 TNET-NET - TNET Communication Inc. 10F., No.78, Sec. 2, Chongxin Rd., Sanchong Dist.,New Taipei City, Taiwan (R.O.C Taiwan 241) 62,208 0.19%

39 AS7656 TWNAP-ADMIN-AS-AP - Taiwan Network Access Point 52,224 0.16%

40 AS17408 ABOVE-AS-AP - AboveNet Communications Taiwan 51,712 0.16%

41 AS9922 NKB-AS-TW - New Kaohsiung Broadband LTD. 51,712 0.16%

42 AS18429 EXTRALAN-TW - Extra-Lan Technologies Co., LTD 43,008 0.13%

43 AS131584 TAIFO-AS-TW - Taiwan Intelligent Fiber Optic Network Co.,Ltd. 41,472 0.12%

44 AS131628 taifucloud-as-tw - Tai-Fu Cloud Co., Ltd. 41,472 0.12%

45 AS4783 SYSNET-AS1 - SYSTEX CORPORATION 40,960 0.12%

46 AS131607 DCTV-AS-TW - Digidom CableTV Co., LTD. 38,144 0.11%

47 AS18043 HCCG-AS - Department of Education, Hsinchu City 35,584 0.11%

48 AS38845 FJU-AS-TW - Fu Jen Catholic University 32,768 0.10%

49 AS131586 NCIC-IDC-TW - New Century InfoComm Tech Co., Ltd. 32,256 0.10%

50 AS9244 ASN-DYXNET-TW-AP # AS-DYXNET-TW-AP converted to ASN-DYXNET-TW-AP for RPSL compliance - Diyixian.com (TW) Limited 31,232 0.09%

Countries of similar size

#12 Russia #13 Australia #14 India #16 Spain #17 Egypt #18 South Africa All countries

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