Taiwan
Autonomous systems and IP prefixes registered in Taiwan.
Registered ASNs
192
IPv4 Prefixes
4,036
IPv6 Prefixes
1,257
Largest Networksby registered prefixes
| # | ASN | Name | Prefixes |
|---|---|---|---|
| 1 | AS1659 | APNICERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center | 42 |
| 2 | AS3462 | APNICHINET - Data Communication Business Group | 35 |
| 3 | AS4780 | APNICSEEDNET - Digital United Inc. | 32 |
| 4 | AS208223 | RIPENCCFOXO-AS SHU-HAO TUNG | 30 |
| 5 | AS17408 | APNICABOVE-AS-AP - AboveNet Communications Taiwan | 28 |
| 6 | AS9416 | APNICMULTIMEDIA-AS-AP - Hoshin Multimedia Center Inc. | 26 |
| 7 | AS17809 | APNICVEETIME-TW-AP - VEE TIME CORP. | 19 |
| 8 | AS134094 | APNICSERVERFIELD-AS - Serverfield Co., Ltd. | 19 |
| 9 | AS9311 | APNICHITRON-AS-AP - HITRON TECHNOLOGY INC. | 18 |
| 10 | AS7532 | APNICGAMANIA-AS-TW - Gamania CloudForce | 15 |
| 11 | AS17709 | APNICAPT - Asia Pacific Telecom | 15 |
| 12 | AS134823 | APNICSDCL-AS-AP - Sky Digital Co., Ltd. | 15 |
| 13 | AS10229 | APNICYAHOO-TW1 - Yahoo Inc. | 13 |
| 14 | AS45250 | APNICVOCOM-AP-AS - Vocom International Telecommunications AP Area | 12 |
| 15 | AS142005 | APNICNCTAIWANCOLTD-AS-AP - NC Taiwan Co., Ltd. | 12 |
| 16 | AS203843 | RIPENCCAS-XINGKAI WANG,XING-KAI | 12 |
| 17 | AS205329 | RIPENCCKai-Jung-Chen Kai-Jung Chen | 12 |
| 18 | AS9674 | APNICFET-TW - Far EastTone Telecommunication Co., Ltd. | 10 |
| 19 | AS136462 | APNICMOOTECHASIA-AS-AP - Mootech Asia | 10 |
| 20 | AS203472 | RIPENCCPOEMA-AS-EU PENG YUJEN | 10 |
| 21 | AS38042 | APNICSDCL-AS-AP - Sky Digital Co., Ltd. | 8 |
| 22 | AS56913 | RIPENCCCOCHENTEK-AS CoChen Technology LTD. | 8 |
| 23 | AS204934 | RIPENCCicn-de InnoCrystal Co., Ltd. | 8 |
| 24 | AS213430 | RIPENCCHSIANG-LI-CHAN HSIANG-LI CHAN | 8 |
| 25 | AS49608 | RIPENCCCOCHENTEK-AS-UK CoChen Technology LTD. | 7 |
| 26 | AS205417 | RIPENCCTKNSZK-AS HSUAN-SHENG CHEN | 7 |
| 27 | AS207705 | RIPENCCJK-NETWORK Jyun-Kai Hu | 7 |
| 28 | AS212154 | RIPENCCSARUNETWORK-AS Wei-Cheng Tsai | 7 |
| 29 | AS24506 | APNICYAHOOGLOBAL-AS-AP - Yahoo Global Holdings B.V. Taiwan Branch | 6 |
| 30 | AS131584 | APNICTAIFO-AS-TW - Taiwan Intelligent Fiber Optic Network Co.,Ltd. | 6 |
| 31 | AS139065 | APNICATCL-AS-AP - Apeiro8 Technology Co., Ltd. | 6 |
| 32 | AS210445 | RIPENCCCWANG-AS CHEN-YI WANG | 6 |
| 33 | AS214841 | RIPENCCRayNetwork RUI PIN LAI | 6 |
| 34 | AS9244 | APNICASN-DYXNET-TW-AP # AS-DYXNET-TW-AP converted to ASN-DYXNET-TW-AP for RPSL compliance - Diyixian.com (TW) Limited | 5 |
| 35 | AS9264 | APNICASNet - Academia Sinica | 5 |
| 36 | AS212359 | RIPENCCHARAGUROICHA-4B-AS Ming-Ray Hsu | 5 |
| 37 | AS214821 | RIPENCCN0B-NET Wen-Ju, Chiang | 5 |
| 38 | AS9216 | APNICPUNET-AP - PUNET Taiwan | 4 |
| 39 | AS10135 | APNICEASPNET-AS-AP - EASPNET Inc. | 4 |
| 40 | AS38254 | APNICITLAB-AS-AP - Internet Technology Laboratory | 4 |
| 41 | AS131273 | APNICCWCTB-AS-AP - CORE WINNER CO.,LIMITED | 4 |
| 42 | AS207469 | RIPENCCSUNGYULI Sung Yu Li | 4 |
| 43 | AS212360 | RIPENCCJimmy-Pan Jimmy Pan | 4 |
| 44 | AS9346 | APNICCYNEX-AS-AP - Cynex Communications Corporation | 3 |
| 45 | AS9671 | APNICTRADEVAN-AS-AP - Trade-Van Informaiton Services Co. | 3 |
| 46 | AS45599 | APNICEQUANTECH-TW-AP - 141 Yang Guan Jie | 3 |
| 47 | AS55789 | APNICIDC-TW - TWIDC | 3 |
| 48 | AS57401 | RIPENCCOFTEIN-AS TSAI, PANG-WEI | 3 |
| 49 | AS57429 | RIPENCCHARAGUROICHA-AS Ming-Ray Hsu | 3 |
| 50 | AS131164 | APNICSINOTECH-TW-AP - 61 Ming Chuan Road Section 1 | 3 |
| 51 | AS135631 | APNICFDCCCL-TW - Fast Distributed Cloud Computing-Technology Co., Ltd. | 3 |
| 52 | AS142062 | APNICHQTC-AS-AP - qlhost | 3 |
| 53 | AS150137 | APNICSWILTB-AS-AP - Sky Wise International Limited Taiwan Branch | 3 |
| 54 | AS201943 | RIPENCCfishbaby1011-net HSIEH HUAN-YU | 3 |
| 55 | AS205592 | RIPENCCSetsuna-Network HUANG CHI-HAN | 3 |
| 56 | AS207468 | RIPENCClihengyu Li Heng Yu | 3 |
| 57 | AS210507 | RIPENCCChiao-Jen-Yung Chiao Jen-Yung | 3 |
| 58 | AS210932 | RIPENCCCHESS-NETWORK-SERVICES Yu-Cheng Kuo | 3 |
| 59 | AS212425 | RIPENCCFubuki-Network Yuna Lee | 3 |
| 60 | AS4845 | APNICSINGTEL-TW - Chung Hsiao East Road | 2 |
| 61 | AS7478 | APNICMACKAY-AS-AP - Mackay Telecommunication Inc. | 2 |
| 62 | AS9505 | APNICTWGATE-AP - Taiwan Internet Gateway | 2 |
| 63 | AS10126 | APNICCHTI-IP-AP - Taiwan Internet Gateway | 2 |
| 64 | AS18177 | APNICNCKU-TW - National Cheng Kung University | 2 |
| 65 | AS45761 | APNICGAMANET-AS-AP - Gamania CloudForce Co., Ltd | 2 |
| 66 | AS133158 | APNICWELLPOWER-AS-AP - WELL-POWER Tech Corp | 2 |
| 67 | AS135561 | APNICCIYUANTEC-AS-AP - Ci Yuan Technology Co., Limited | 2 |
| 68 | AS136444 | APNICCHTSECURITY-AS-AP - Chung Hwa Zi An International Co., Limited | 2 |
| 69 | AS139903 | APNICRETN-AS-AP - RETN Telecoms Ltd. | 2 |
| 70 | AS149791 | APNICSTARVERSE-AS-AP - StarVerse Network Ltd. | 2 |
| 71 | AS151188 | APNICM4NIC-AS-AP - 404 Network Information Co. | 2 |
| 72 | AS153891 | APNICCCL-AS-AP - CloudSIM Corporation Ltd. | 2 |
| 73 | AS154662 | APNICICONNECTLIMITED-AS-AP - iConnect Limited | 2 |
| 74 | AS198954 | RIPENCCCH-Network JIAN HUI EN | 2 |
| 75 | AS202820 | RIPENCCCHIN-JEN Chih-Jen CHENG | 2 |
| 76 | AS205013 | RIPENCCJESSYU SHIH-CHIEH YU | 2 |
| 77 | AS206434 | RIPENCCCHENG-CHIH-TSAI CHENG-CHIH TSAI | 2 |
| 78 | AS207389 | RIPENCCPT-Network JING-SHIUN-CHEN | 2 |
| 79 | AS210384 | RIPENCCKUDOS-AS MAOLIN HUANG | 2 |
| 80 | AS212331 | RIPENCCTW-TCSTUDIO-AS Ta-Li Lai | 2 |
| 81 | AS213617 | RIPENCCORG-BN162-RIPE KANG ZHENG OO | 2 |
| 82 | AS215191 | RIPENCCTONY-AS Dong-Han Yang | 2 |
| 83 | AS215993 | RIPENCCALAN-NETWORK LIU AN LUN | 2 |
| 84 | AS216432 | RIPENCCYuan-Network FENG SHENG YUAN | 2 |
| 85 | AS402634 | ARINJESUELEARIANN - JESUELEARIANN | 2 |
| 86 | AS402915 | ARINCOGPANDA - Cogpanda | 2 |
| 87 | AS9267 | APNICSDXPROJ-AS-AP - Pang-Wei Tsai | 1 |
| 88 | AS17413 | APNICDODO-Core-TW - Dodo Ltd. | 1 |
| 89 | AS17502 | APNICKSIL-AS-TW - Kuang Shih International Ltd. Ltd | 1 |
| 90 | AS18410 | APNICTW-104IT-AS - 104 Information Technology Co., Ltd. | 1 |
| 91 | AS23675 | APNICTSMCGDN-AS-AP - Taiwan Semiconductor Manufactoring Company, Ltd. | 1 |
| 92 | AS38797 | APNICCNLINK-TW-AS-AP - Internet Service Provider. Taiwan | 1 |
| 93 | AS38853 | APNICParamita-NET - Paramita Digital Ltd., | 1 |
| 94 | AS45342 | APNICHANSTECH-AS-AP - HanStrong Online Services | 1 |
| 95 | AS45592 | APNICSIMEX-TW-AP - 133 Da An Road Section 1 | 1 |
| 96 | AS45930 | APNICNEURV-TW - 3F-5, No.408 Ruiguang Rd | 1 |
| 97 | AS56179 | APNICPUNET-AS-AP - Symphox Information Co., LTd. | 1 |
| 98 | AS59268 | APNICQLINKS-AS - QLINKS | 1 |
| 99 | AS63929 | APNICTDCI-AP-AS - TWT Digital Communication Inc. | 1 |
| 100 | AS131142 | APNICAPOL-AS-TW - Asia Pacific On-Line Service Inc. | 1 |
Threat map: malicious IPs in Taiwan
201 flagged IPv4 networks on 2026-10-09, #20 of 179 countries; 5.48 per million allocated IPv4 addresses (#56 by rate).
IP Address Transfers
Last 12 months: 68 registry transfers involving organisations in Taiwan, 1.1M IPv4 addresses.
IPv4 received from
- 1🇺🇸 United States16K
- 2🇭🇰 Hong Kong SAR China4,096
- 3🇨🇳 China512
IPv4 sent to
No IPv4 sent to other countries.
- AS152616Transfer ·
- AS18040Transfer ·
- 103.125.66.0/23Transfer ·
- 103.125.64.0/23Transfer ·
- AS131624Transfer ·
- 103.160.214.0/23Transfer ·
- 103.23.110.0/23Transfer ·
- 103.23.108.0/23Transfer ·
- 103.149.66.0/23Transfer ·
- 103.158.76.0/23Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| AS152616 | Transfer | |||
| AS18040 | Transfer | |||
| 103.125.66.0/23 | Transfer | |||
| 103.125.64.0/23 | Transfer | |||
| AS131624 | Transfer | |||
| 103.160.214.0/23 | Transfer | |||
| 103.23.110.0/23 | Transfer | |||
| 103.23.108.0/23 | Transfer | |||
| 103.149.66.0/23 | Transfer | |||
| 103.158.76.0/23 | Transfer |