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 12,282,624
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. 1,820,416
AS17421 Long Distance & Mobile Business Group, 1,667,840
AS24158 Taiwan Mobile Co., Ltd. 1,466,624
AS9416 Hoshin Multimedia Center Inc. 1,156,352
AS7482 Asia Pacific On-line Service Inc. 987,648
AS9919 New Century InfoComm Tech Co., Ltd. 729,088
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. 261,888
AS18049 Taiwan Infrastructure Network Technologie 258,048
AS9676 SaveCom Internation Inc. 254,976
AS131591 Ambit Microsystem Corporation 201,216
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
AS18042 Koos Broadband Telecom 123,136
AS17408 AboveNet Communication Taiwan Co.Ltd 98,048
AS18419 Default maintainer object for TWNIC 95,488
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
AS38845 Fu Jen Catholic University 65,536
AS17711 National Dong Hwa University 65,536
AS17713 National Sun Yat-sen University 65,536
AS7535 TISNET Technology Inc. 65,536
AS9918 KG Telecommunication Co., Ltd 65,536
AS18420 National Central University 65,536
AS24163 UNION BROADBAND NETWORK 65,536
AS18046 Default maintainer object for TWNIC 62,464
AS38847 National Chung Hsing University 49,152
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. 33,536
AS9244 Diyixian.com (TW) Limited 30,720
AS9216 PUNET Taiwan 28,672
AS17420 Acer CyberCenter Services, Inc. 28,672
AS18185 NTCU 25,600
AS10229 Internet Content Provider 25,600
AS131584 Taiwan Intelligent Fiber Optic Network Co.,Ltd. 24,576
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
AS18418 Taiwan IPv6 Development Program. 20,480
AS38848 National Yang-Ming University 20,480
AS131607 Default maintainer object for TWNIC 19,712
AS9311 Hitron-TW maintainer 17,920
AS10085 PEER WITH OVERSEA ISP 16,640
AS10135 EASPNET Inc. 16,384
AS7710 PRC Technology Co., Ltd. 16,384
AS24165 PHOENIX CATV CO.,LTD 16,384
AS7478 Mackay Telecommunication Inc. 16,384
AS24167 Academia Sinica Grid Computing Center 13,824
AS24506 YAHOO! TAIWAN 13,568
AS131142 Asia Pacific On-Line Service Inc. 13,568
AS18413 Great Taipei Broadband Company Ltd. 12,288
AS38843 PUMO NETWORK DIGITAL TECHNOLOGY CO.,LTD 11,520
AS38851 TNET Communication Inc. 10,240
AS24155 Asia Pacific Broadband Wireless Communications Inc 9,216
AS9346 Cynex Communications Corporation 8,448
AS9671 Trade-Van Informaiton Services Co. 8,192
AS4845 Chung Hsiao East Road 8,192
AS17416 Default maintainer object for TWNIC 8,192
AS18424 CHWBN 8,192
AS18411 EDT Network Services Limited Co,Ltd. 8,192
AS59268 QLINKS 6,912
AS131150 Education Bureau, Kaohsiung City Government, Taiwan 6,656
AS132157 TNET-CO-LTD 6,144
AS45250 Vocom International Telecommunication Inc. 6,144
AS18183 National Center for Research on Earthquake Engineering 5,120
AS9680 HiNet Service Center in U.S.A 5,120
AS38797 Internet Service Provider. Taiwan 4,352
AS18415 B-WIZ Technology 4,096
AS18181 National Health Research Institutes 4,096
AS17710 President Information Corp. 4,096
AS18179 MiTAC Inc. 4,096
AS131149 Yuan-Jhen Info., Co., Ltd 4,096
AS18040 Mobitai ISP Network Information Center 4,096
AS24160 Chi Mei Corporation 4,096
AS135387 Magna Hosting Ltd 3,840
AS18045 SinoPac Holdings Corporate Network 3,584
AS45599 Equantech Corporation 3,072
AS131601 Default maintainer object for TWNIC 2,816
AS131603 Worldstar Network 2,304
AS24168 Cloudmax Inc. 2,048
AS18426 National Applied Research Laboratories 2,048
AS131600 Chief Telecom Inc. 2,048
AS4781 PAGIC.net , INC. 2,048
AS45504 Kingspeed Int'l Inc. 2,048
AS131143 Chinatrust Commercial Bank 2,048
AS17714 Chunghwa Telecom Co. , Ltd. 1,792
AS134522 HostingInside LTD. 1,792
AS134823 Sky Digital Co., Ltd. 1,792
AS17651 AboveNet Communication Taiwan Co.Ltd 1,536
AS136462 Mootech Asia 1,536
AS38385 Aldford Network Solutions Limted 1,536
AS38837 AION TECHNOLOGIES Inc. 1,280
AS133158 WELL-POWER Tech Corp 1,280
AS131590 Taiwan Cooperative Bank 1,024
AS38850 Taiwan International Gateway Corporation 1,024
AS136756 Chen Xiang International Co., Ltd. 1,024
AS131148 Bank Of Taiwan 1,024
AS134094 Serverfield Ltd. 1,024
AS131605 Default maintainer object for TWNIC 1,024
AS131599 Wistron Corporation 1,024
AS131610 Anson Network Limited (Taiwan) 1,024
AS131593 PEGATRON 1,024
AS55789 TWIDC 1,024
AS131589 Foxconn Technology Group 1,024
AS131587 Mega International Commercial Bank 1,024
AS131144 ASUSTek COMPUTER INC. 1,024
AS131588 Financial Information Service Co., Ltd. 768
AS9831 UNIGATE 768
AS59234 AUSTRALIA AND NEW ZEALAND BANKING GROUP LIMITED 512
AS18421 Taishin International Bank 512
AS55512 Quicken Science Ltd 512
AS10133 Chief Telecom Network Consulter 512
AS131606 Chief Telecom Inc. 256
AS132012 Winspeed Group International Limited 256
AS7533 Neto Corporation 256
AS23712 Internet Systems Consortium, Inc. 256
AS133089 Qualcomm Inc 256
AS7536 WonderNet International Corporation 0
AS18043 GETOP Automatic System Inc. 0
AS17414 Suio Inc., ADSL Internet Service Provider, 0
AS9415 ETWebs Taiwan Co. Ltd. 0
AS131598 CHTD, Chunghwa Telecom Co.,Ltd. 0
AS11467 Universal Network Technology 0
AS45592 Simex Limited 0
AS131164 Sinotech Int 0
AS9921 PCCW Hongkong Telecom Ltd., Taiwan Branch. 0
AS63900 AS63900 0
AS18412 Far EastTone Telecommunication Co., Ltd. 0
AS18425 NTT Taiwan Ltd. 0
AS131602 Hsin Yeong An Cable TV Co., Ltd. 0
AS17502 Academia Sinica Computing Center 0
AS131608 Chief Telecom Inc. 0
AS24235 CHIEF Telecom Inc. 0
AS24153 Default maintainer object for TWNIC 0
AS17417 Default maintainer object for TWNIC 0
AS55576 Gamania Digital Entertainment Co., Ltd. 0
AS38187 Gamania Digital Entertainment Co., Ltd. 0
AS131273 HiMORE Digital 0
AS9675 Internet Service Provider 0
AS7649 Nap Communication Inc. 0
AS58873 10F. 0
AS7618 Orange Business 0
AS18427 PChome Online 0
AS18410 104 Information Technology Co., Ltd. 0
AS7538 Seeder Computer Corporation LTD. 0
AS38840 VMAX Telecom Co., Ltd 0
AS56179 Symphox Information Co., LTd. 0
AS4636 Taiwan Fixed Network Co., LTD. 0
AS38839 Tatung InfoComm Co., Ltd. 0
AS63929 TWT Network Technology Inc. 0
AS38045 Yahoo! Inc. Corp Network 0
AS7480 Timenet International Corp. 0
AS131595 Kingston Technology Fareast Corp. 0
AS9679 IONET Taiwan Co., Ltd. 0
AS24162 Lanwin Communication Co. Ltd 0
AS131592 TWT Communication Inc. 0
AS18041 Chicom Information Corp. 0
AS38842 Global Mobile Corp. 0
AS24156 Sony Taiwan Limited 0
AS24166 Grand Tainan Technology Co.Ltd. 0
AS18180 All Chinese Internet Inc. 0
AS131145 e-MAX NETWORK CORP. 0
AS136378 TWT Communication lnc 0
AS24169 Chuan Chan Co. Ltd. 0
AS24172 Lin Chein Technology Co. Ltd. 0
AS131585 PUMO NETWORK DIGITAL TECHNOLOGY CO.,LTD 0
AS1768 Institute for Information Industry, Taiwan, ROC 0
AS18048 Cyberterra Corporation, 0
AS18184 TWIX IPv6 Service Network.(TWIXv6), 0
AS24161 Simple InfoComm Co., Ltd. 0
AS7655 Taiwan Network Access Point 0
AS9678 Taiwan Internet Peering Organization 0
AS38849 Shu-Te University, 0
AS7541 FIC Network Service, INC. 0
AS45125 Sunbridge Worldwide Ltd 0
AS9922 WorldCom Taiwan Co., Ltd. 0
AS9923 Emphasis Networks Inc. 0
AS63904 AS63904 0
AS17718 THIS 0
AS63896 AS63896 0
AS135336 原點網路 YUAN DIAN CO., LTD (ONEWORLD) 0
AS63899 AS63899 0
AS63898 AS63898 0
AS63903 AS63903 0
AS63891 AS63891 0
AS18416 Genmart Tech. Co. lmt. 0
AS18217 Academic Sinica Nework Maintainer of APNIC whois database 0
AS131146 Chang Gung University 0
AS131604 Chaoyu Internetwork lnternational Corp 0
AS131612 Internet Dept., Data Communication Group of CHT Ltd. 0
AS1769 SEEDNet Service Center 0
AS17715 ChungHwa Telecom. Co. Telecommunication Lab. 0
AS17717 Ministry of Education Computer Center Taipei, Taiwan 0
AS18044 King-Net Info. Tech. Co., Ltd. 0
AS18178 RM D&E, 16F Hung-tai Century tower 0
AS18423 Yuanghong MultiMedia Technology Co. Ltd. 0
AS23675 Taiwan Semiconductor Manufactoring Company, Ltd. 0
AS24031 Internet Content Provider 0
AS24170 New Century InfoComm Tech. Co., Ltd. 0
AS24171 FIRST INTERNATIONAL TELECOM CORP. 0
AS38838 KE-ing Co , Ltd 0
AS38846 Taiwan Network Information Center 0
AS45930 Neurv 0
AS17415 Trans World Communication Co., Ltd. 0
AS7483 Hongkong Telecom Ltd., Taiwan Branch Office 0
AS7534 NEW SILKERA NETWORK 0
AS7537 Price Waterhouse Taiwan 0
AS7708 Taiwan Network Access Point 0
AS7709 Taiwan Network Access Point 0
AS7711 Taiwan Network Access Point 0
AS9539 Hoshin Multimedia Center Inc. 0
AS9677 Taiwan Telnet Corporation 0
AS9917 NETPOLY Telecom Inc., 0
AS9920 Atlas Internet & Life International, Inc. 0
AS135596 HanStrong Online Services 0
AS38855 AS38855 0
AS63897 AS63897 0
AS38852 AS38852 0
AS63910 AS63910 0
AS38853 AS38853 0
AS63894 AS63894 0
AS63901 AS63901 0
AS63907 AS63907 0
AS135631 Fast Distributed Cloud Computing-Technology Co., Ltd. 0
AS63895 AS63895 0
AS63908 AS63908 0
AS63905 AS63905 0
AS63909 AS63909 0
AS38856 AS38856 0
AS63906 AS63906 0
AS38854 AS38854 0
AS9681 National Broadband Experiment Network, sponsored by NSC, TAIWAN 0
AS18177 National Cheng Kung University 0
AS132738 Shih-Hsin Cable Television Corporation 0
AS136816 Sheng You Co., Ltd. 0
AS4747 TTN ASN merged by TFN 0
AS131151 nctaiwan.co.ltd 0
AS131609 Taiwan Envirotech Development Corp. 0
AS131594 Asia Pacific On-Line Service Inc. 0
AS132737 NetWave CATV Corporation 0
AS63893 AS63893 0
AS17418 TRANSASIA INFORMATION SERVICES INC. 0
AS24159 Tong Ya Cable T.V. Co.Ltd 0
AS17419 HiNet IPv6 Service Network., 0
AS17422 PACIFIC COMPUTER SYSTEMS INC. 0
AS63902 AS63902 0
AS7481 Data Communication Business Group 0
AS137015 MOZ 2008 Corporation 0
AS18414 National Center for High-performance Computing 0
AS24096 Metlife Taiwan Taipei Office Multihomed 0
AS17413 GRADE Technology CO., Ltd. 0
AS18186 YAW JENQ TECHNOLOGY CORPORATION 0
AS18417 Taiwan Network Information Center 0
AS18428 China United Telecom Corp 0
AS17712 National Chung Cheng University 0
AS131611 San Da Cable TV Co., Ltd. 0
AS9915 Dome Digital Communications, 0
AS133375 CHUAN KAI INTERNATIONAL CO., LTD 0
AS63892 AS63892 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.