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 12,290,048
AS1659 Taiwan Academic Network (TANet) Information Center 6,012,672
AS9924 Taiwan Fixed Network, Telco and Network Service Provider. 2,632,192
AS4780 Digital United Inc. 1,988,352
AS9674 Far EastTone Telecommunication Co., Ltd. 1,982,464
AS17421 Mobile Business Group 1,592,320
AS24158 Taiwan Mobile Co., Ltd. 1,494,272
AS9416 Hoshin Multimedia Center Inc. 1,159,424
AS7482 Asia Pacific On-line Service Inc. 1,052,928
AS9919 New Century InfoComm Tech Co., Ltd. 743,936
AS17709 Asia Pacific Telecom 697,600
AS17713 National Sun Yat-sen University 643,840
AS18177 National Cheng Kung University 449,280
AS7532 DigiCentre Company Limited, 428,032
AS4782 Data Communication Business Group 413,696
AS18182 Sony Network Taiwan Limited 385,280
AS17712 National Chung Cheng University 355,840
AS131596 TBC 351,232
AS9415 ETWebs Taiwan Co. Ltd. 331,776
AS18049 Taiwan Infrastructure Network Technologie 316,416
AS4747 TTN ASN merged by TFN 315,392
AS131591 Ambit Microsystem Corporation 280,320
AS17716 National Taiwan University 274,176
AS9916 National Chiao Tung University, 271,360
AS38841 kbro CO. Ltd. 258,048
AS9676 SaveCom Internation Inc. 257,024
AS24164 YEONG JIA LEH CABLE TV CO., LTD. 255,744
AS7539 National Center for High-performance Computing 223,232
AS18042 Koos Broadband Telecom 212,480
AS17809 VEE TIME CORP. 196,608
AS4662 GCNet (Reach & Range Inc.) 180,224
AS24157 Taiwan Star Telecom Corporation Limited.(Former Vibo Telecom Inc.) 167,936
AS9680 HiNet Service Center in U.S.A 135,168
AS24163 UNION BROADBAND NETWORK 126,976
AS17711 National Dong Hwa University 94,976
AS18419 DaDa Broadband LTD. 92,416
AS9264 Academic Sinica Network 90,112
AS131627 Peicity Digital Cable Television., LTD 89,088
AS24154 Asia Pacific Broadband Fixed Lines Co., Ltd. 88,832
AS17408 AboveNet Communications Taiwan 88,576
AS18047 National Tsing-Hua University 73,728
AS18422 Industrial Technology Research Institute 69,632
AS38844 National Taiwan Normal University 66,304
AS7535 TISNET Technology Inc. 65,792
AS18420 National Central University 65,536
AS38845 Fu Jen Catholic University 65,536
AS9918 KG Telecommunication Co., Ltd 65,536
AS18046 DongFong Technology Co. Ltd. 61,440
AS38851 TNET Communication Inc. 59,136
AS38847 National Chung Hsing University 49,152
AS7656 Taiwan Network Access Point 48,640
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. 34,304
AS9244 Diyixian.com (TW) Limited 32,512
AS131597 New Changhua Digital Cable TV CO,.Ltd 28,928
AS9216 PUNET Taiwan 28,672
AS17420 Acer CyberCenter Services, Inc. 28,672
AS9311 HITRON TECHNOLOGY INC. 27,136
AS10229 Internet Content Provider 26,368
AS131584 Taiwan Intelligent Fiber Optic Network Co.,Ltd. 26,368
AS9505 Taiwan Internet Gateway 25,856
AS18185 NTCU 25,600
AS134823 Sky Digital Co., Ltd. 24,064
AS131607 Digidom CableTV Co., LTD. 21,760
AS18418 Taiwan IPv6 Development Program. 20,480
AS18413 Great Taipei Broadband Company Ltd. 20,480
AS24165 PHOENIX CATV CO.,LTD 19,968
AS10085 PEER WITH OVERSEA ISP 16,640
AS7710 PRC Technology Co., Ltd. 16,384
AS10135 EASPNET Inc. 16,384
AS7478 Mackay Telecommunication Inc. 16,384
AS9831 UNIGATE 15,872
AS9922 New Kaohsiung Broandband LTD. 14,336
AS24506 YAHOO! TAIWAN 14,080
AS24167 Academia Sinica Grid Computing Center 13,824
AS131142 Asia Pacific On-Line Service Inc. 13,568
AS38843 PUMO NETWORK DIGITAL TECHNOLOGY CO.,LTD 11,520
AS4845 Chung Hsiao East Road 9,216
AS24155 Asia Pacific Broadband Wireless Communications Inc 8,192
AS9671 Trade-Van Informaiton Services Co. 8,192
AS18424 CHWBN 8,192
AS18044 King-Net Info. Tech. Co., Ltd. 8,192
AS18411 EDT Network Services Limited Co,Ltd. 8,192
AS17416 DWINS Digital Service Corp., 8,192
AS131149 Yuan-Jhen Info., Co., Ltd 7,168
AS131150 Education Bureau, Kaohsiung City Government, Taiwan 6,144
AS45250 Vocom International Telecommunications Inc. Taiwan POP Internet Service Srovider 5,888
AS59268 QLINKS 5,888
AS18183 National Center for Research on Earthquake Engineering 5,120
AS17710 President Information Corp. 5,120
AS38797 Internet Service Provider. Taiwan 4,352
AS9346 Cynex Communications Corporation 4,096
AS18415 B-WIZ Technology 4,096
AS18041 Chicom Information Corp. 4,096
AS18040 Mobitai ISP Network Information Center 4,096
AS17502 AsiaInfra International Ltd. 4,096
AS18181 National Health Research Institutes 4,096
AS18179 MiTAC Inc. 4,096
AS24160 Chi Mei Corporation 4,096
AS24171 FIRST INTERNATIONAL TELECOM CORP. 4,096
AS18045 SinoPac Holdings Corporate Network 4,096
AS24031 Internet Content Provider 3,584
AS137186 XiaoMa Technology Co., Ltd. 3,328
AS135387 Magna Hosting Ltd 3,328
AS134094 Serverfield Co., Ltd. 3,328
AS24168 Cloudmax Inc. 3,072
AS18416 Genmart Tech. Co. lmt. 2,560
AS133158 WELL-POWER Tech Corp 2,560
AS134522 HostingInside LTD. 2,560
AS18426 National Applied Research Laboratories 2,304
AS131600 Chief Telecom Inc. 2,304
AS131603 Worldstar Network 2,304
AS45504 KINGSPEED-TW-AP 2,048
AS131143 Chinatrust Commercial Bank 2,048
AS131601 Dynamic Computing Technology 2,048
AS136756 Chen Xiang International Co., Ltd. 2,048
AS45346 WELL-POWER Tech Corp 2,048
AS45599 141 Yang Guan Jie 2,048
AS4781 PAGIC.net , INC. 2,048
AS7481 Data Communication Business Group 2,048
AS17651 AboveNet Communications Taiwan 1,792
AS17714 Chunghwa Telecom Co. , Ltd. 1,792
AS136462 Mootech Asia 1,792
AS38385 Aldford Network Solutions Limted 1,536
AS38837 AION TECHNOLOGIES Inc. 1,280
AS55789 TWIDC 1,280
AS131618 Carl International Information ltd. 1,280
AS131164 61 Ming Chuan Road Section 1 1,024
AS131599 Wistron Corporation 1,024
AS7534 NEW SILKERA NETWORK 1,024
AS131605 Inventec Besta CO.,LTD 1,024
AS131144 ASUSTek COMPUTER INC. 1,024
AS131609 Taiwan Envirotech Development Corp. 1,024
AS131623 SHOPEE (TAIWAN) CO. LTD. 1,024
AS131632 LETSWIN TELECOM CO., LTD. 1,024
AS131613 Shin Cheng of Digital Co., Ltd. 1,024
AS131626 NSS INT'L CO., LTD. 1,024
AS131619 Jigentec CO. LTD. 1,024
AS131148 Bank Of Taiwan 1,024
AS9539 Hoshin Multimedia Center Inc. 1,024
AS131587 Mega International Commercial Bank 1,024
AS131589 Foxconn Technology Group 1,024
AS131590 Taiwan Cooperative Bank 1,024
AS131593 PEGATRON 1,024
AS131595 Kingston Technology Fareast Corp. 1,024
AS131588 Financial Information Service Co., Ltd. 768
AS18043 GETOP Automatic System Inc. 512
AS131621 Taiwan Network Information Center 512
AS18410 104 Information Technology Co., Ltd. 512
AS10133 Chief Telecom Inc. 512
AS45592 133 Da An Road Section 1 512
AS18421 Taishin International Bank 512
AS24169 Chuan Chan Co. Ltd. 512
AS132012 Winspeed Group International Limited 512
AS131273 HiMORE Digital 512
AS131620 SERVCOMPUTING INC 512
AS133089 Qualcomm Inc 256
AS18180 All Chinese Internet Inc. 256
AS18417 Taiwan Network Information Center 256
AS137015 MOZ 2008 Corporation 256
AS23712 Internet Systems Consortium, Inc. 256
AS132738 Shih-Hsin Cable Television Corporation 256
AS24235 CHIEF Telecom Inc. 256
AS131625 Yu-Feng Technology Co. Ltd. 256
AS131610 Anson Network Limited (Taiwan) 256
AS24162 Lanwin Communication Co. Ltd 0
AS132737 NetWave CATV Corporation 0
AS24156 Sony Taiwan Limited 0
AS131631 Sunchi Networks 0
AS24166 Grand Tainan Technology Co.Ltd. 0
AS131630 Garena (TAIWAN) CO. LTD. 0
AS131629 CKMATES INTERNATIONAL CO., LTD 0
AS17715 ChungHwa Telecom. Co. Telecommunication Lab. 0
AS24170 New Century InfoComm Tech. Co., Ltd. 0
AS131628 Tai-Fu Cloud Co., Ltd. 0
AS24172 Lin Chein Technology Co. Ltd. 0
AS17718 THIS 0
AS133375 CHUAN KAI INTERNATIONAL CO., LTD 0
AS17717 Ministry of Education Computer Center Taipei, Taiwan 0
AS38045 Yahoo! Inc. Corp Network 0
AS38187 Gamania Digital Entertainment Co., Ltd. 0
AS24153 Digicell Entertainment Co., Ltd 0
AS131624 Neway Technology Corporation 0
AS24096 Metlife Taiwan Taipei Office Multihomed 0
AS38838 KE-ing Co , Ltd 0
AS38839 APNIC ASN block 0
AS38840 APNIC ASN block 0
AS135561 Ci Yuan Technology Co., Limited 0
AS38842 Global Mobile Corp. 0
AS131622 Bearspace Technology Co., Ltd. 0
AS23675 Taiwan Semiconductor Manufactoring Company, Ltd. 0
AS136378 TWT Communication lnc 0
AS38846 Taiwan Network Information Center 0
AS18428 China United Telecom Corp 0
AS38848 National Yang-Ming University 0
AS38849 Shu-Te University, 0
AS38850 Taiwan International Gateway Corporation 0
AS18427 PChome Online 0
AS38853 APNIC ASN block 0
AS38855 APNIC ASN block 0
AS38856 APNIC ASN block 0
AS45125 Sunbridge Worldwide Ltd 0
AS131617 CENTROID-NET 0
AS9921 PCCW Hongkong Telecom Ltd., Taiwan Branch. 0
AS131616 Chief Telecom Inc. 0
AS136444 Chung Hwa Zi An International Co., Limited 0
AS11467 Universal Network Technology 0
AS45930 NEURV-TW 0
AS4636 Taiwan Fixed Network Co., LTD. 0
AS131615 Chief Telecom Inc. 0
AS131614 Taiwan Mobile Co., Ltd. 0
AS18425 NTT Taiwan Ltd. 0
AS9923 Emphasis Networks Inc. 0
AS131612 Internet Dept., Data Communication Group of CHT Ltd. 0
AS131611 San Da Cable TV Co., Ltd. 0
AS18048 Cyberterra Corporation, 0
AS55576 Gamania Digital Entertainment Co., Ltd. 0
AS18423 Yuanghong MultiMedia Technology Co. Ltd. 0
AS56179 Symphox Information Co., LTd. 0
AS59234 AUSTRALIA AND NEW ZEALAND BANKING GROUP LIMITED 0
AS136816 Sheng You Co., Ltd. 0
AS63929 TWT Network Technology Inc. 0
AS131608 Chief Telecom Inc. 0
AS7480 Timenet International Corp. 0
AS137524 EXPERT WEB SERVICE CO., LTD. 0
AS131606 Chief Telecom Inc. 0
AS7483 Hongkong Telecom Ltd., Taiwan Branch Office 0
AS17413 GRADE Technology CO., Ltd. 0
AS7533 Neto Corporation 0
AS17414 Suio Inc., ADSL Internet Service Provider, 0
AS131604 Chaoyu Internetwork lnternational Corp 0
AS7536 WonderNet International Corporation 0
AS7537 Price Waterhouse Taiwan 0
AS7538 Seeder Computer Corporation LTD. 0
AS131602 Hsin Yeong An Cable TV Co., Ltd. 0
AS7541 FIC Network Service, INC. 0
AS7618 Orange Business 0
AS7649 Nap Communication Inc. 0
AS7655 Peering AS 0
AS17415 Trans World Communication Co., Ltd. 0
AS7708 Taiwan Network Access Point 0
AS7709 Taiwan Network Access Point 0
AS131598 CHTD, Chunghwa Telecom Co.,Ltd. 0
AS7711 Twain Network Access Point 0
AS18414 National Center for High-performance Computing 0
AS131594 Asia Pacific On-Line Service Inc. 0
AS17417 Diyixian.COM (TW) Ltd. 0
AS131592 TWT Communication Inc. 0
AS18412 Far EastTone Telecommunication Co., Ltd. 0
AS17418 TRANSASIA INFORMATION SERVICES INC. 0
AS18217 ASCC 0
AS18186 YAW JENQ TECHNOLOGY CORPORATION 0
AS17419 HiNet IPv6 Service Network., 0
AS131585 PUMO NETWORK DIGITAL TECHNOLOGY CO.,LTD 0
AS18184 TWIX IPv6 Service Network.(TWIXv6), 0
AS9675 Internet Service Provider 0
AS17422 PACIFIC COMPUTER SYSTEMS INC. 0
AS9677 Taiwan Telnet Corporation 0
AS9678 Taiwan Internet Peering Organization 0
AS9679 IONET Taiwan Co., Ltd. 0
AS131151 nctaiwan.co.ltd 0
AS9681 National Broadband Experiment Network, sponsored by NSC, TAIWAN 0
AS1768 Institute for Information Industry, Taiwan, ROC 0
AS9915 Dome Digital Communications, 0
AS131146 Chang Gung University 0
AS9917 NETPOLY Telecom Inc., 0
AS131145 e-MAX NETWORK CORP. 0
AS1769 SEEDNet Service Center 0
AS9920 Atlas Internet & Life International, Inc. 0
AS18178 RM D&E, 16F Hung-tai Century tower 0
AS24159 Tong Ya Cable T.V. Co.Ltd 0
AS132157 TNET-CO-LTD 0
AS24161 Simple InfoComm Co., Ltd. 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.