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 428 IPv4 prefixes with 1,637,376 addresses and 38 IPv6 prefixes, which makes it the 310th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses1,637,376in 428 prefixes
IPv6 prefixes38≈ 1.4 × 10²⁹ addresses
Size rank#310of 82,200 active ASNs
Abuser scoreLow0.08% of its addresses flagged · method

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

428 prefixes · 1,637,376 addresses
NetworkAddressesFirst – last address
123.192.0.0/14262,144123.192.0.0 – 123.195.255.255
118.232.0.0/15131,072118.232.0.0 – 118.233.255.255
123.192.0.0/15131,072123.192.0.0 – 123.193.255.255
123.194.0.0/15131,072123.194.0.0 – 123.195.255.255
180.176.0.0/15131,072180.176.0.0 – 180.177.255.255
106.1.0.0/1665,536106.1.0.0 – 106.1.255.255
118.232.0.0/1665,536118.232.0.0 – 118.232.255.255
118.233.0.0/1665,536118.233.0.0 – 118.233.255.255
180.176.0.0/1665,536180.176.0.0 – 180.176.255.255
180.177.0.0/1665,536180.177.0.0 – 180.177.255.255
106.1.0.0/1732,768106.1.0.0 – 106.1.127.255
106.1.128.0/1732,768106.1.128.0 – 106.1.255.255
123.192.0.0/204,096123.192.0.0 – 123.192.15.255
211.76.112.0/204,096211.76.112.0 – 211.76.127.255
106.1.32.0/212,048106.1.32.0 – 106.1.39.255
106.1.152.0/212,048106.1.152.0 – 106.1.159.255
106.1.184.0/212,048106.1.184.0 – 106.1.191.255
106.1.208.0/212,048106.1.208.0 – 106.1.215.255
118.232.48.0/212,048118.232.48.0 – 118.232.55.255
118.232.88.0/212,048118.232.88.0 – 118.232.95.255
118.232.128.0/212,048118.232.128.0 – 118.232.135.255
118.232.136.0/212,048118.232.136.0 – 118.232.143.255
118.232.144.0/212,048118.232.144.0 – 118.232.151.255
118.232.152.0/212,048118.232.152.0 – 118.232.159.255
118.232.160.0/212,048118.232.160.0 – 118.232.167.255
The 25 largest of 428. The API and the database have all of them.

IPv6 prefixes

38 prefixes
  • 2407:4d00::/32
  • 2407:4d00:1000::/36
  • 2407:4d00:2000::/36
  • 2407:4d00:3000::/36
  • 2407:4d00:4000::/36
  • 2407:4d00:5000::/36
  • 2407:4d00:6000::/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:fd06::/48
  • 2407:4d00:fd07::/48
  • 2407:4d00:fd08::/48
  • 2407:4d00:fd09::/48
  • 2407:4d00:fd0a::/48
  • 2407:4d00:fd0b::/48
The 25 largest of 38. 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 of6,634,240 IPv4 addressesAS4780 Digital United Inc.5,156,608 IPv4 addressesAS9924 Taiwan Fixed Network CO.,LTD.4,313,600 IPv4 addressesAS9919 New Century InfoComm Tech Co., Ltd.3,134,976 IPv4 addressesAS9674 Far EastTone Telecommunication Co., Ltd.2,298,624 IPv4 addresses