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How Taiwan ranks worldwide on dormant space, the transfer market, routing security and address density.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to Taiwan over time.
The largest autonomous systems registered to Taiwan by IPv4 footprint.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS3462TW | HINET - Data Communication Business Group | 16.4M | 300 |
| AS1659TW | ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center | 6.7M | 230 |
| AS4780TW | SEEDNET - Digital United Inc. | 5.1M | 1,280 |
| AS9924TW | TFN-TW - Taiwan Fixed Network, Telco and Network Service Provider. | 4.3M | 559 |
| AS9919TW | NCIC-TW - New Century InfoComm Tech Co., Ltd. |
Share of announced address space covered by valid Route Origin Authorizations.
466 autonomous systems registered to Taiwan. Click an AS for detail.
| 3.2M |
| 931 |
| AS9674TW | FET-TW - Far EastTone Telecommunication Co., Ltd. | 2.2M | 113 |
| AS17421TW | EMOME-NET - Mobile Business Group | 1.7M | 223 |
| AS38841TW | kbro-AS-TW - kbro CO. Ltd. | 1.6M | 456 |
| AS9416TW | MULTIMEDIA-AS-AP - Hoshin Multimedia Center Inc. | 1.3M | 40 |
| AS7482TW | APOL-AS - Asia Pacific On-line Service Inc. | 1.3M | 77 |
| 256 |
| 1 |
| 2 |
| AS152614TW | ISTVC-EX-TW - IMPROVE SYSTEM TECHNOLOGY CO., LTD. | 256 | — | 1 |
| AS207468TW | lihengyu Li Heng Yu | 256 | 1 | 2 |
| AS131652TW | NETGUARD - NETGUARD INTERNATIONAL | 256 | — | 1 |
| AS152612TW | Aoter-Networks - Aoter Networks Co., Ltd | 256 | — | 1 |
| AS152616TW | BHIS-AS-TW - BHIS Ltd. | 256 | 32 | 3 |
| AS9831TW | UNIGATE-AS-AP - AS NO. FOR UNIGATE TELECOM INC. | 256 | — | 1 |
| AS133089TW | QUALCOMM-TW-AS-AP - Qualcomm Inc | 512 | 256 | 3 |
| AS18428TW | MERCYCAT-NET - Mercycat Network Inc. | 512 | 131.1K | 19 |
| AS131606TW | CHIEFCLOUDIAAS-A - Chief Telecom Inc. | 512 | — | 2 |
| AS18421TW | TAISHINBANK-AS-T - Taishin International Bank | 512 | — | 1 |
| AS18043TW | HCCG-AS - Department of Education, Hsinchu City | 512 | 65.5K | 2 |
| AS142046TW | M1033-INFO-AS-TW - 1033 Network Information Co. | 512 | 2 | 4 |
| AS131595TW | KTCFE-NET - Kingston Technology Fareast Corp. | 512 | — | 1 |
| AS63894TW | SMCI-AS-TW - Super Micro Computer, Inc. | 512 | — | 2 |
| AS9915TW | LEEMON-AS - Leemon Professional Consultant | 512 | — | 2 |
| AS139903TW | RETN-AS-AP - RETN Telecoms Ltd. | 512 | 1 | 2 |
| AS204677TW | CNIX Sky Digital Co., Ltd. | 512 | — | 2 |
| AS45342TW | HANSTECH-AS-AP - HanStrong Online Services | 512 | — | 2 |
| AS38839TW | CSPTEK-AS-TW - CSPTEK LTD. CO. | 512 | 4.1K | 2 |
| AS63899TW | CHUAN-CHAN-NET-A - National Taiwan University of Science and Technology | 512 | — | 1 |
| AS131667TW | GRONEXT-AS - GRONEXT CO., LTD. | 512 | 69.6K | 3 |
| AS9917TW | SIMPLECLOUD-AS-TW - Li Jing Info Limited | 512 | — | 1 |
| AS38853TW | Paramita-NET - Paramita Digital Ltd., | 512 | — | 1 |
| AS63910TW | CLARK-AS - Clark Technology Ltd. | 512 | 65.5K | 3 |
| AS152619TW | VERYFAST-AS-TW - Very Fast Network LTD | 512 | 2 | 4 |
| AS131683TW | INX-AS01 - InnoLux Display Corp. | 512 | — | 2 |
| AS150756TW | FLOPPY-AS-TW - Floppy Ltd. | 512 | — | 1 |
| AS152615TW | CHUMMYMAIN-AS-TW - Chummy Technology Ltd. | 512 | 65.5K | 3 |
| AS152623TW | AS-WOQUAN-TRANSIT - Woquan Technology Co., Ltd. | 512 | — | 1 |
| AS131671TW | FANTASY - FANTASY TECHNOLOGY CO., LTD. | 512 | — | 2 |
| AS150769TW | Aspirapps - Digital Explorer Technology | 512 | — | 1 |
| AS17651TW | ABOVENET-AS-AP-2 - AboveNet Communications Taiwan | 512 | — | 2 |
| AS63895TW | cdn - Charmway Limited | 512 | — | 2 |
| AS63901TW | CYCORE-AS - CYCORE | 512 | — | 1 |
| AS38856TW | WalksCloud-AS - Walks Cloud Inc. | 512 | 65.5K | 2 |
| AS205329TW | Kai-Jung-Chen Kai-Jung Chen | 512 | 65.6K | 12 |
| AS63908TW | SGU-NET - See Get Upstart Technology Co., Ltd. | 512 | 65.5K | 2 |
| AS131609TW | YUANCHENG-AS-TW - Yuan Cheng Co., Ltd. | 512 | — | 2 |
| AS18410TW | TW-104IT-AS - 104 Information Technology Co., Ltd. | 512 | — | 1 |
| AS131613TW | ZENLENET-AS-TW - Sky Digital Co., Ltd. | 768 | — | 3 |
| AS17502TW | KSIL-AS-TW - Kuang Shih International Ltd. Ltd | 768 | — | 2 |
| AS152624TW | UWAYIO - UWay Information Technology Inc. | 768 | — | 2 |
| AS38254TW | ITLAB-AS-AP - Internet Technology Laboratory | 768 | 4.1K | 6 |
| AS131588TW | FISC-AS-TW - Financial Information Service Co., Ltd. | 768 | 65.5K | 8 |
| AS150137TW | SWILTB-AS-AP - Sky Wise International Limited Taiwan Branch | 768 | 2 | 5 |
| AS24168TW | CLOUDMAX-AS-TW - Cloudmax Inc. | 768 | — | 3 |