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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 |
| — |
| — |
| 0 |
| AS131585TW | PUMO-NET - PUMO NETWORK DIGITAL TECHNOLOGY CO.,LTD | — | — | 0 |
| AS63904TW | HGC-AMS-IX-TW - Hutchison Global Communications(Taiwan) Limited | — | — | 0 |
| AS23712TW | ISC-TPE1 - Internet Systems Consortium, Inc. | — | — | 0 |
| AS216123TW | ZhuyuanNetwork ZHU-YUAN JIANG | — | 3 | 3 |
| AS135561TW | CIYUANTEC-AS-AP - Ci Yuan Technology Co., Limited | — | — | 0 |
| AS18414TW | FOX-L3-TW - National Center for High-performance Computing | — | — | 0 |
| AS7711TW | TWNAP-TWIX-AP - Twain Network Access Point | — | — | 0 |
| AS215165TW | Koyorice Ye Zih Sian | — | — | 0 |
| AS131651TW | LAZCO - Lazco Corporation | — | — | 0 |
| AS131647TW | TAIWANMOBILE-AS - Taiwan Mobile Co., Ltd. | — | — | 0 |
| AS131648TW | TAIWANMOBILE-AS - Taiwan Mobile Co., Ltd. | — | — | 0 |
| AS131633TW | AS131633-50 - TWNIC-TW-4-byte-AS-BLOCK1 | — | 16 | 1 |
| AS131610TW | PPTECH - PPTECH co., ltd. | — | — | 0 |
| AS214030TW | AS-SFIREW Kai-Wen Zheng | — | 1 | 1 |
| AS24153TW | GENE-AS-TW - AY SHANG SHIANG MAU CO., LTD. | — | — | 0 |
| AS18217TW | ASNet - Academia Sinica | — | — | 0 |
| AS214841TW | RayNetwork RUI PIN LAI | — | 16 | 1 |
| AS202881TW | MTS-Network Wen-Lung Chen | — | 1 | 1 |
| AS202820TW | CHIN-JEN Chih-Jen CHENG | — | 1 | 1 |
| AS207389TW | PT-Network JING-SHIUN-CHEN | — | 17 | 2 |
| AS4747TW | TFN-TW-TTN - TTN ASN merged by TFN | — | — | 0 |
| AS212425TW | Fubuki-Network Yuna Lee | — | 35 | 5 |
| AS216198TW | ORG-LZY1-RIPE LIN ZE YANG | — | 2 | 2 |
| AS203405TW | DALUN-AS Lin Kai-Lun | — | 3 | 3 |
| AS213617TW | ORG-BN162-RIPE KANG ZHENG OO | — | 5 | 5 |
| AS215191TW | TONY-AS Dong-Han Yang | — | 14 | 4 |
| AS206434TW | CHENG-CHIH-TSAI CHENG-CHIH TSAI | — | 4.1K | 2 |
| AS131147TW | LiRun-AS - Taiwan Li Run Ltd. | — | 1 | 1 |
| AS210445TW | CWANG-AS CHEN-YI WANG | — | 321 | 6 |
| AS63903TW | GLOBALTRANSIT-AS-IR - INIT RISE TECHNOLOGY CO., LTD | — | — | 0 |
| AS211749TW | BOB-NETWORK BO SIANG CHEN | — | 1 | 1 |
| AS215993TW | ALAN-NETWORK LIU AN LUN | — | 2 | 2 |
| AS38045TW | YAHOOGLOBAL-AS-AP - Yahoo Global Holdings B.V. Taiwan Branch | — | — | 0 |
| AS9267TW | SDXPROJ-AS-AP - Pang-Wei Tsai | — | 64 | 4 |
| AS18248TW | TWNOG-AS-TW - Taiwan Network Operators' Group (TWNOG) | — | — | 0 |
| AS150759TW | WOLF-NET-TW - Wolf Feather Culture Information Co., Ltd. | — | — | 0 |
| AS131664TW | NSS-GROUP - NSS INTL CO., LTD. | — | — | 0 |
| AS149423TW | CHUMMY-AS-TW - Yu-Shan Tsai | — | 16 | 1 |
| AS199203TW | MayboyNetwork CHEN ZHI-HAN | — | 16 | 1 |
| AS9346TW | CYNEX-AS-AP - Cynex Communications Corporation | — | — | 0 |
| AS131661TW | X2I - Express2Internet | — | — | 0 |
| AS212969TW | NOOBTW-NET ChiaChin Tsai | — | 1 | 1 |
| AS7534TW | SILKERA-TW - NEW SILKERA NETWORK | — | — | 0 |
| AS152625TW | MEOWKE-TECHNOLOGY-AS-TW - MewoKe Technology Ltd | — | — | 0 |
| AS38848TW | YMU-AS-TW - National Yang-Ming University | — | — | 0 |
| AS63905TW | YUANJHEN-AS-TW - Yuan-Jhen Info., Co., Ltd | — | — | 0 |