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 435 IPv4 prefixes with 1,644,288 addresses and 38 IPv6 prefixes, which makes it the 307th largest of 82,558 active autonomous systems by IPv4 space.

IPv4 addresses1,644,288in 435 prefixes
IPv6 prefixes38≈ 1.4 × 10²⁹ addresses
Size rank#307of 82,558 active ASNs
Abuser scoreVery Low0.05% 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

435 prefixes · 1,644,288 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 435. 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"

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