Autonomous System

AS131596 TBC

ISPActiveTaiwanAPNIC

AS131596 (TBCOM-NET) is an ISP network operated by TBC in Taiwan, registered with APNIC. It has 600 IPv4 prefixes with 872,448 addresses and 33 IPv6 prefixes, which makes it the 485th largest of 82,558 active autonomous systems by IPv4 space.

IPv4 addresses872,448in 600 prefixes
IPv6 prefixes33≈ 5.7 × 10²⁶ addresses
Size rank#485of 82,558 active ASNs
Abuser scoreLow0.06% of its addresses flagged · method

Details

OrganizationTBC
AS nameTBCOM-NET
Websitetbc.net.tw
Country Taiwan (TW)
Network typeISP
RegistryAPNIC
Abuse contactderek.li@tbc.net.tw
Registered—
Last updated2025-11-06

IPv4 prefixes

600 prefixes · 872,448 addresses
NetworkAddressesFirst – last address
123.240.0.0/1665,536123.240.0.0 – 123.240.255.255
123.110.128.0/1732,768123.110.128.0 – 123.110.255.255
123.0.192.0/1816,384123.0.192.0 – 123.0.255.255
123.110.0.0/1816,384123.110.0.0 – 123.110.63.255
123.241.0.0/1816,384123.241.0.0 – 123.241.63.255
61.58.160.0/198,19261.58.160.0 – 61.58.191.255
61.63.96.0/198,19261.63.96.0 – 61.63.127.255
123.110.64.0/198,192123.110.64.0 – 123.110.95.255
123.241.64.0/198,192123.241.64.0 – 123.241.95.255
123.241.160.0/198,192123.241.160.0 – 123.241.191.255
123.241.192.0/198,192123.241.192.0 – 123.241.223.255
123.110.96.0/204,096123.110.96.0 – 123.110.111.255
123.110.112.0/204,096123.110.112.0 – 123.110.127.255
123.241.96.0/204,096123.241.96.0 – 123.241.111.255
123.241.112.0/204,096123.241.112.0 – 123.241.127.255
123.241.128.0/204,096123.241.128.0 – 123.241.143.255
123.241.240.0/204,096123.241.240.0 – 123.241.255.255
59.102.136.0/212,04859.102.136.0 – 59.102.143.255
59.102.144.0/212,04859.102.144.0 – 59.102.151.255
59.102.152.0/212,04859.102.152.0 – 59.102.159.255
59.102.160.0/212,04859.102.160.0 – 59.102.167.255
59.102.168.0/212,04859.102.168.0 – 59.102.175.255
59.102.176.0/212,04859.102.176.0 – 59.102.183.255
59.102.184.0/212,04859.102.184.0 – 59.102.191.255
59.102.216.0/212,04859.102.216.0 – 59.102.223.255
The 25 largest of 600. The API and the database have all of them.

IPv6 prefixes

33 prefixes
  • 2405:9200:1110::/44
  • 2405:9200:1120::/44
  • 2405:9200:1130::/44
  • 2405:9200:1140::/44
  • 2405:9200:1150::/44
  • 2405:9200:2100::/44
  • 2405:9200:2110::/44
  • 2405:9200:2120::/44
  • 2405:9200:2130::/44
  • 2405:9200:2140::/44
  • 2405:9200:2150::/44
  • 2405:9200:3100::/44
  • 2405:9200:3110::/44
  • 2405:9200:3120::/44
  • 2405:9200:3130::/44
  • 2405:9200:3140::/44
  • 2405:9200:3150::/44
  • 2405:9200:4100::/44
  • 2405:9200:4110::/44
  • 2405:9200:4120::/44
  • 2405:9200:4130::/44
  • 2405:9200:4140::/44
  • 2405:9200:4150::/44
  • 2405:9200:5110::/44
  • 2405:9200:5120::/44
The 25 largest of 33. The API and the database have all of them.

Query AS131596 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=AS131596&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS131596, with or without a key:

curl "https://api.ipapi.is/?q=123.240.0.1"

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