The report below shows ASNs assigned to Taiwan, ranked by the total number of IP addresses currently active on each network. Click on the ASN for full IP address information, whois details and more. You can also view our hosting report to see the networks ranked by how many domain names they host.
| ASN | Name | Num IPs |
|---|---|---|
| AS3462 | Data Communication Business Group | 12,280,832 |
| AS1659 | Taiwan Academic Network (TANet) Information Center | 6,004,480 |
| AS9924 | Taiwan Fixed Network, Telco and Network Service Provider. | 2,496,768 |
| AS9674 | Far EastTone Telecommunication Co., Ltd. | 1,982,464 |
| AS4780 | Digital United Inc. | 1,814,528 |
| AS17421 | Long Distance & Mobile Business Group, | 1,668,096 |
| AS24158 | Taiwan Mobile Co., Ltd. | 1,483,264 |
| AS9416 | Hoshin Multimedia Center Inc. | 1,156,352 |
| AS7482 | Asia Pacific On-line Service Inc. | 987,648 |
| AS9919 | New Century InfoComm Tech Co., Ltd. | 730,112 |
| AS17709 | Asia Pacific Telecom | 695,552 |
| AS4782 | Data Communication Business Group | 413,696 |
| AS18182 | Sony Network Taiwan Limited | 385,024 |
| AS131596 | TBC | 344,064 |
| AS38841 | kbro CO. Ltd. | 265,984 |
| AS9676 | SaveCom Internation Inc. | 263,168 |
| AS18049 | Taiwan Infrastructure Network Technologie | 258,048 |
| AS24164 | YEONG JIA LEH CABLE TV CO., LTD. | 198,656 |
| AS9916 | National Chiao Tung University, | 196,608 |
| AS17809 | VEE TIME CORP. | 196,608 |
| AS4662 | GCNet (Reach & Range Inc.) | 180,224 |
| AS24157 | Taiwan Star Telecom Corporation Limited.(Former Vibo Telecom Inc.) | 165,888 |
| AS7539 | National Center for High-performance Computing | 154,112 |
| AS131591 | Ambit Microsystem Corporation | 135,168 |
| AS18042 | Koos Broadband Telecom | 123,136 |
| AS18419 | Default maintainer object for TWNIC | 95,488 |
| AS17408 | AboveNet Communication Taiwan Co.Ltd | 94,720 |
| AS9264 | Academic Sinica Nework Maintainer of APNIC whois database | 90,112 |
| AS24154 | Asia Pacific Broadband Fixed Lines Co., Ltd. | 87,296 |
| AS17716 | National Taiwan University | 76,800 |
| AS18047 | National Tsing-Hua University | 73,728 |
| AS18422 | Industrial Technology Research Institute | 69,632 |
| AS38844 | National Taiwan Normal University | 66,304 |
| AS9918 | KG Telecommunication Co., Ltd | 65,536 |
| AS38845 | Fu Jen Catholic University | 65,536 |
| AS24163 | UNION BROADBAND NETWORK | 65,536 |
| AS18420 | National Central University | 65,536 |
| AS7535 | TISNET Technology Inc. | 65,536 |
| AS17713 | National Sun Yat-sen University | 65,536 |
| AS17711 | National Dong Hwa University | 65,536 |
| AS18046 | Default maintainer object for TWNIC | 56,320 |
| AS7656 | Taiwan Network Access Point | 46,080 |
| AS4783 | SYSTEX CORPORATION | 45,056 |
| AS18429 | Extra-Lan Technologies Co., LTD | 43,008 |
| AS10126 | Taiwan Internet Gateway | 34,816 |
| AS131586 | New Century InfoComm Tech Co., Ltd. | 33,792 |
| AS9244 | Diyixian.com (TW) Limited | 30,720 |
| AS17420 | Acer CyberCenter Services, Inc. | 28,672 |
| AS9216 | PUNET Taiwan | 28,672 |
| AS131584 | Taiwan Intelligent Fiber Optic Network Co.,Ltd. | 26,112 |
| AS10229 | Internet Content Provider | 25,600 |
| AS131597 | New Changhua Digital Cable TV CO,.Ltd | 24,576 |
| AS9505 | Taiwan Internet Gateway(TWGATE) | 22,784 |
| AS7532 | Default maintainer object for TWNIC | 21,760 |
| AS38848 | National Yang-Ming University | 20,480 |
| AS18418 | Taiwan IPv6 Development Program. | 20,480 |
| AS131607 | Default maintainer object for TWNIC | 19,712 |
| AS10085 | PEER WITH OVERSEA ISP | 16,640 |
| AS10135 | EASPNET Inc. | 16,384 |
| AS24165 | PHOENIX CATV CO.,LTD | 16,384 |
| AS7478 | Mackay Telecommunication Inc. | 16,384 |
| AS7710 | PRC Technology Co., Ltd. | 16,384 |
| AS9311 | Hitron-TW maintainer | 16,384 |
| AS131142 | Asia Pacific On-Line Service Inc. | 14,080 |
| AS24167 | Academia Sinica Grid Computing Center | 13,824 |
| AS24506 | YAHOO! TAIWAN | 13,568 |
| AS18413 | Great Taipei Broadband Company Ltd. | 12,288 |
| AS38843 | PUMO NETWORK DIGITAL TECHNOLOGY CO.,LTD | 11,520 |
| AS24155 | Asia Pacific Broadband Wireless Communications Inc | 9,728 |
| AS9346 | Cynex Communications Corporation | 8,448 |
| AS9671 | Trade-Van Informaiton Services Co. | 8,192 |
| AS18424 | CHWBN | 8,192 |
| AS18411 | EDT Network Services Limited Co,Ltd. | 8,192 |
| AS4845 | Chung Hsiao East Road | 8,192 |
| AS17416 | Default maintainer object for TWNIC | 8,192 |
| AS131150 | Education Bureau, Kaohsiung City Government, Taiwan | 6,656 |
| AS45250 | Vocom International Telecommunication Inc. | 6,144 |
| AS132157 | TNET-CO-LTD | 6,144 |
| AS9680 | HiNet Service Center in U.S.A | 5,120 |
| AS18183 | National Center for Research on Earthquake Engineering | 5,120 |
| AS18185 | NTCU | 5,120 |
| AS38797 | Internet Service Provider. Taiwan | 4,352 |
| AS18040 | Mobitai ISP Network Information Center | 4,096 |
| AS17710 | President Information Corp. | 4,096 |
| AS131149 | Yuan-Jhen Info., Co., Ltd | 4,096 |
| AS18179 | MiTAC Inc. | 4,096 |
| AS18181 | National Health Research Institutes | 4,096 |
| AS18415 | B-WIZ Technology | 4,096 |
| AS24160 | Chi Mei Corporation | 4,096 |
| AS135387 | Magna Hosting Ltd | 3,840 |
| AS59268 | QLINKS | 3,840 |
| AS18045 | SinoPac Holdings Corporate Network | 3,584 |
| AS45599 | Equantech Corporation | 3,328 |
| AS131603 | Worldstar Network | 2,304 |
| AS18426 | National Applied Research Laboratories | 2,048 |
| AS4781 | PAGIC.net , INC. | 2,048 |
| AS45504 | Kingspeed Int'l Inc. | 2,048 |
| AS131601 | Default maintainer object for TWNIC | 2,048 |
| AS24168 | Cloudmax Inc. | 2,048 |
| AS131600 | Chief Telecom Inc. | 2,048 |
| AS38851 | TNET Communication Inc. | 2,048 |
| AS131143 | Chinatrust Commercial Bank | 2,048 |
| AS17714 | Chunghwa Telecom Co. , Ltd. | 1,792 |
| AS134823 | Sky Digital Co., Ltd. | 1,536 |
| AS38385 | Aldford Network Solutions Limted | 1,536 |
| AS17651 | AboveNet Communication Taiwan Co.Ltd | 1,536 |
| AS38837 | AION TECHNOLOGIES Inc. | 1,280 |
| AS134522 | HostingInside LTD. | 1,280 |
| AS133158 | WELL-POWER Tech Corp | 1,280 |
| AS131590 | Taiwan Cooperative Bank | 1,024 |
| AS131144 | ASUSTek COMPUTER INC. | 1,024 |
| AS131589 | Foxconn Technology Group | 1,024 |
| AS38850 | Taiwan International Gateway Corporation | 1,024 |
| AS131599 | Wistron Corporation | 1,024 |
| AS131605 | Default maintainer object for TWNIC | 1,024 |
| AS131148 | Bank Of Taiwan | 1,024 |
| AS131593 | PEGATRON | 1,024 |
| AS131587 | Mega International Commercial Bank | 1,024 |
| AS136462 | Mootech Asia | 1,024 |
| AS136756 | Chen Xiang International Co., Ltd. | 1,024 |
| AS131588 | Financial Information Service Co., Ltd. | 768 |
| AS9831 | UNIGATE | 768 |
| AS59234 | AUSTRALIA AND NEW ZEALAND BANKING GROUP LIMITED | 512 |
| AS132738 | Shih-Hsin Cable Television Corporation | 512 |
| AS18421 | Taishin International Bank | 512 |
| AS55512 | Quicken Science Ltd | 512 |
| AS10133 | Chief Telecom Network Consulter | 512 |
| AS132012 | Winspeed Group International Limited | 512 |
| AS18417 | Taiwan Network Information Center | 512 |
| AS131606 | Chief Telecom Inc. | 256 |
| AS133089 | Qualcomm Inc | 256 |
| AS23712 | Internet Systems Consortium, Inc. | 256 |
| AS18178 | RM D&E, 16F Hung-tai Century tower | 0 |
| AS18043 | GETOP Automatic System Inc. | 0 |
| AS24555 | ASN used for conferences in AP region | 0 |
| AS4636 | Taiwan Fixed Network Co., LTD. | 0 |
| AS9915 | Dome Digital Communications, | 0 |
| AS24161 | Simple InfoComm Co., Ltd. | 0 |
| AS9922 | WorldCom Taiwan Co., Ltd. | 0 |
| AS18428 | China United Telecom Corp | 0 |
| AS17414 | Suio Inc., ADSL Internet Service Provider, | 0 |
| AS7618 | Orange Business | 0 |
| AS18041 | Chicom Information Corp. | 0 |
| AS131604 | Chaoyu Internetwork lnternational Corp | 0 |
| AS4747 | TTN ASN merged by TFN | 0 |
| AS17717 | Ministry of Education Computer Center Taipei, Taiwan | 0 |
| AS131164 | Sinotech Int | 0 |
| AS7483 | Hongkong Telecom Ltd., Taiwan Branch Office | 0 |
| AS24235 | CHIEF Telecom Inc. | 0 |
| AS131595 | Kingston Technology Fareast Corp. | 0 |
| AS45592 | Simex Limited | 0 |
| AS24153 | Default maintainer object for TWNIC | 0 |
| AS24162 | Lanwin Communication Co. Ltd | 0 |
| AS7481 | Data Communication Business Group | 0 |
| AS18427 | PChome Online | 0 |
| AS131598 | CHTD, Chunghwa Telecom Co.,Ltd. | 0 |
| AS136816 | Sheng You Co., Ltd. | 0 |
| AS38849 | Shu-Te University, | 0 |
| AS7708 | Taiwan Network Access Point | 0 |
| AS38847 | National Chung Hsing University | 0 |
| AS7649 | Nap Communication Inc. | 0 |
| AS24166 | Grand Tainan Technology Co.Ltd. | 0 |
| AS9539 | Hoshin Multimedia Center Inc. | 0 |
| AS18186 | YAW JENQ TECHNOLOGY CORPORATION | 0 |
| AS45125 | Sunbridge Worldwide Ltd | 0 |
| AS7534 | NEW SILKERA NETWORK | 0 |
| AS9415 | ETWebs Taiwan Co. Ltd. | 0 |
| AS17413 | GRADE Technology CO., Ltd. | 0 |
| AS63929 | TWT Network Technology Inc. | 0 |
| AS24156 | Sony Taiwan Limited | 0 |
| AS24096 | Metlife Taiwan Taipei Office Multihomed | 0 |
| AS18416 | Genmart Tech. Co. lmt. | 0 |
| AS24159 | Tong Ya Cable T.V. Co.Ltd | 0 |
| AS18410 | 104 Information Technology Co., Ltd. | 0 |
| AS38187 | Gamania Digital Entertainment Co., Ltd. | 0 |
| AS18217 | Academic Sinica Nework Maintainer of APNIC whois database | 0 |
| AS7655 | Taiwan Network Access Point | 0 |
| AS131151 | nctaiwan.co.ltd | 0 |
| AS18180 | All Chinese Internet Inc. | 0 |
| AS7536 | WonderNet International Corporation | 0 |
| AS7537 | Price Waterhouse Taiwan | 0 |
| AS17418 | TRANSASIA INFORMATION SERVICES INC. | 0 |
| AS18425 | NTT Taiwan Ltd. | 0 |
| AS9681 | National Broadband Experiment Network, sponsored by NSC, TAIWAN | 0 |
| AS7541 | FIC Network Service, INC. | 0 |
| AS17715 | ChungHwa Telecom. Co. Telecommunication Lab. | 0 |
| AS9921 | PCCW Hongkong Telecom Ltd., Taiwan Branch. | 0 |
| AS131146 | Chang Gung University | 0 |
| AS18044 | King-Net Info. Tech. Co., Ltd. | 0 |
| AS9917 | NETPOLY Telecom Inc., | 0 |
| AS7533 | Neto Corporation | 0 |
| AS58873 | 10F. | 0 |
| AS133375 | CHUAN KAI INTERNATIONAL CO., LTD | 0 |
| AS135336 | åé»ç¶²è·¯ YUAN DIAN CO., LTD (ONEWORLD) | 0 |
| AS131592 | TWT Communication Inc. | 0 |
| AS55576 | Gamania Digital Entertainment Co., Ltd. | 0 |
| AS9920 | Atlas Internet & Life International, Inc. | 0 |
| AS11467 | Universal Network Technology | 0 |
| AS18177 | National Cheng Kung University | 0 |
| AS134094 | Serverfield Ltd. | 0 |
| AS135631 | Fast Distributed Cloud Computing-Technology Co., Ltd. | 0 |
| AS9675 | Internet Service Provider | 0 |
| AS38842 | Global Mobile Corp. | 0 |
| AS18423 | Yuanghong MultiMedia Technology Co. Ltd. | 0 |
| AS24170 | New Century InfoComm Tech. Co., Ltd. | 0 |
| AS38840 | VMAX Telecom Co., Ltd | 0 |
| AS17712 | National Chung Cheng University | 0 |
| AS9679 | IONET Taiwan Co., Ltd. | 0 |
| AS23675 | Taiwan Semiconductor Manufactoring Company, Ltd. | 0 |
| AS17502 | Academia Sinica Computing Center | 0 |
| AS63908 | AS63908 | 0 |
| AS56179 | Symphox Information Co., LTd. | 0 |
| AS38045 | Yahoo! Inc. Corp Network | 0 |
| AS24031 | Internet Content Provider | 0 |
| AS63907 | AS63907 | 0 |
| AS63906 | AS63906 | 0 |
| AS63905 | AS63905 | 0 |
| AS38839 | Tatung InfoComm Co., Ltd. | 0 |
| AS63903 | AS63903 | 0 |
| AS63902 | AS63902 | 0 |
| AS63899 | AS63899 | 0 |
| AS63898 | AS63898 | 0 |
| AS63897 | AS63897 | 0 |
| AS63894 | AS63894 | 0 |
| AS38854 | AS38854 | 0 |
| AS38852 | AS38852 | 0 |
| AS63910 | AS63910 | 0 |
| AS63909 | AS63909 | 0 |
| AS63904 | AS63904 | 0 |
| AS63901 | AS63901 | 0 |
| AS131602 | Hsin Yeong An Cable TV Co., Ltd. | 0 |
| AS63900 | AS63900 | 0 |
| AS63896 | AS63896 | 0 |
| AS63895 | AS63895 | 0 |
| AS63892 | AS63892 | 0 |
| AS63891 | AS63891 | 0 |
| AS63893 | AS63893 | 0 |
| AS135596 | HanStrong Online Services | 0 |
| AS38856 | AS38856 | 0 |
| AS38855 | AS38855 | 0 |
| AS131145 | e-MAX NETWORK CORP. | 0 |
| AS38853 | AS38853 | 0 |
| AS24171 | FIRST INTERNATIONAL TELECOM CORP. | 0 |
| AS131594 | Asia Pacific On-Line Service Inc. | 0 |
| AS24169 | Chuan Chan Co. Ltd. | 0 |
| AS131608 | Chief Telecom Inc. | 0 |
| AS136378 | TWT Communication lnc | 0 |
| AS18412 | Far EastTone Telecommunication Co., Ltd. | 0 |
| AS7538 | Seeder Computer Corporation LTD. | 0 |
| AS18048 | Cyberterra Corporation, | 0 |
| AS9678 | Taiwan Internet Peering Organization | 0 |
| AS7480 | Timenet International Corp. | 0 |
| AS131585 | PUMO NETWORK DIGITAL TECHNOLOGY CO.,LTD | 0 |
| AS132737 | NetWave CATV Corporation | 0 |
| AS17417 | Default maintainer object for TWNIC | 0 |
| AS9677 | Taiwan Telnet Corporation | 0 |
| AS17718 | THIS | 0 |
| AS17415 | Trans World Communication Co., Ltd. | 0 |
| AS17422 | PACIFIC COMPUTER SYSTEMS INC. | 0 |
| AS38838 | KE-ing Co , Ltd | 0 |
| AS38846 | Taiwan Network Information Center | 0 |
| AS18184 | TWIX IPv6 Service Network.(TWIXv6), | 0 |
| AS9923 | Emphasis Networks Inc. | 0 |
| AS17419 | HiNet IPv6 Service Network., | 0 |
| AS45930 | Neurv | 0 |
| AS7711 | Taiwan Network Access Point | 0 |
| AS7709 | Taiwan Network Access Point | 0 |
| AS24172 | Lin Chein Technology Co. Ltd. | 0 |
| AS18414 | National Center for High-performance Computing | 0 |
| AS131273 | HiMORE Digital | 0 |
| AS1769 | SEEDNet Service Center | 0 |
| AS1768 | Institute for Information Industry, Taiwan, ROC | 0 |
Details
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
This page shows ASNs for Taiwan. See the global ASN report for network, IP address information and whois details for other countries.