Autonomous System
AS38841 kbro CO. Ltd.
ISPActiveTaiwanAPNIC
AS38841 (kbro-AS-TW) is an ISP network operated by kbro CO. Ltd. in Taiwan, registered with APNIC. It has 427 IPv4 prefixes with 1,637,120 addresses and 35 IPv6 prefixes, which makes it the 310th largest of 82,283 active autonomous systems by IPv4 space.
IPv4 addresses1,637,120in 427 prefixes
IPv6 prefixes35≈ 1.3 × 10²⁹ addresses
Size rank#310of 82,283 active ASNs
Details
Organizationkbro CO. Ltd.
AS namekbro-AS-TW
Websitekbro.com.tw
Country Taiwan (TW)
Network typeISP
RegistryAPNIC
Abuse contactadm@kbro.com.tw
Registered—
Last updated2025-11-06
IPv4 prefixes
427 prefixes · 1,637,120 addresses| Network | Addresses | First – last address |
|---|---|---|
| 123.192.0.0/14 | 262,144 | 123.192.0.0 – 123.195.255.255 |
| 118.232.0.0/15 | 131,072 | 118.232.0.0 – 118.233.255.255 |
| 123.192.0.0/15 | 131,072 | 123.192.0.0 – 123.193.255.255 |
| 123.194.0.0/15 | 131,072 | 123.194.0.0 – 123.195.255.255 |
| 180.176.0.0/15 | 131,072 | 180.176.0.0 – 180.177.255.255 |
| 106.1.0.0/16 | 65,536 | 106.1.0.0 – 106.1.255.255 |
| 118.232.0.0/16 | 65,536 | 118.232.0.0 – 118.232.255.255 |
| 118.233.0.0/16 | 65,536 | 118.233.0.0 – 118.233.255.255 |
| 180.176.0.0/16 | 65,536 | 180.176.0.0 – 180.176.255.255 |
| 180.177.0.0/16 | 65,536 | 180.177.0.0 – 180.177.255.255 |
| 106.1.0.0/17 | 32,768 | 106.1.0.0 – 106.1.127.255 |
| 106.1.128.0/17 | 32,768 | 106.1.128.0 – 106.1.255.255 |
| 123.192.0.0/20 | 4,096 | 123.192.0.0 – 123.192.15.255 |
| 211.76.112.0/20 | 4,096 | 211.76.112.0 – 211.76.127.255 |
| 106.1.32.0/21 | 2,048 | 106.1.32.0 – 106.1.39.255 |
| 106.1.152.0/21 | 2,048 | 106.1.152.0 – 106.1.159.255 |
| 106.1.184.0/21 | 2,048 | 106.1.184.0 – 106.1.191.255 |
| 106.1.208.0/21 | 2,048 | 106.1.208.0 – 106.1.215.255 |
| 118.232.48.0/21 | 2,048 | 118.232.48.0 – 118.232.55.255 |
| 118.232.88.0/21 | 2,048 | 118.232.88.0 – 118.232.95.255 |
| 118.232.128.0/21 | 2,048 | 118.232.128.0 – 118.232.135.255 |
| 118.232.136.0/21 | 2,048 | 118.232.136.0 – 118.232.143.255 |
| 118.232.144.0/21 | 2,048 | 118.232.144.0 – 118.232.151.255 |
| 118.232.152.0/21 | 2,048 | 118.232.152.0 – 118.232.159.255 |
| 118.232.160.0/21 | 2,048 | 118.232.160.0 – 118.232.167.255 |
123.192.0.0/14 118.232.0.0/15 123.192.0.0/15 123.194.0.0/15 180.176.0.0/15 106.1.0.0/16 118.232.0.0/16 118.233.0.0/16 180.176.0.0/16 180.177.0.0/16 106.1.0.0/17 106.1.128.0/17 123.192.0.0/20 211.76.112.0/20 106.1.32.0/21 106.1.152.0/21 106.1.184.0/21 106.1.208.0/21 118.232.48.0/21 118.232.88.0/21 118.232.128.0/21 118.232.136.0/21 118.232.144.0/21 118.232.152.0/21 118.232.160.0/21
The 25 largest of 427. The API and the database have all of them.
IPv6 prefixes
35 prefixes- 2407:4d00::/32
- 2407:4d00:1000::/36
- 2407:4d00:2000::/36
- 2407:4d00:3000::/36
- 2407:4d00:4000::/36
- 2407:4d00:5000::/36
- 2407:4d00:7000::/36
- 2407:4d00:8000::/36
- 2407:4d00:9000::/36
- 2407:4d00:a000::/36
- 2407:4d00:b000::/36
- 2407:4d00:c000::/36
- 2407:4d00::/48
- 2407:4d00:fd01::/48
- 2407:4d00:fd02::/48
- 2407:4d00:fd03::/48
- 2407:4d00:fd04::/48
- 2407:4d00:fd05::/48
- 2407:4d00:fd07::/48
- 2407:4d00:fd08::/48
- 2407:4d00:fd09::/48
- 2407:4d00:fd0a::/48
- 2407:4d00:fd0b::/48
- 2407:4d00:fd0c::/48
- 2407:4d00:ff01::/48
2407:4d00::/32 2407:4d00:1000::/36 2407:4d00:2000::/36 2407:4d00:3000::/36 2407:4d00:4000::/36 2407:4d00:5000::/36 2407:4d00:7000::/36 2407:4d00:8000::/36 2407:4d00:9000::/36 2407:4d00:a000::/36 2407:4d00:b000::/36 2407:4d00:c000::/36 2407:4d00::/48 2407:4d00:fd01::/48 2407:4d00:fd02::/48 2407:4d00:fd03::/48 2407:4d00:fd04::/48 2407:4d00:fd05::/48 2407:4d00:fd07::/48 2407:4d00:fd08::/48 2407:4d00:fd09::/48 2407:4d00:fd0a::/48 2407:4d00:fd0b::/48 2407:4d00:fd0c::/48 2407:4d00:ff01::/48
The 25 largest of 35. The API and the database have all of them.
Query AS38841 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS38841&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS38841, with or without a key:
curl "https://api.ipapi.is/?q=123.192.0.1"
Largest networks in Taiwan
AS3462 Chunghwa Telecom Co., Ltd.16,360,192 IPv4 addressesAS1659 This aut-num object created as part of6,650,368 IPv4 addressesAS4780 Digital United Inc.5,162,496 IPv4 addressesAS9924 Taiwan Fixed Network CO.,LTD.4,313,600 IPv4 addressesAS9919 New Century InfoComm Tech Co., Ltd.3,129,600 IPv4 addressesAS9674 Far EastTone Telecommunication Co., Ltd.2,298,624 IPv4 addresses