Autonomous System

AS37992 Thammasat University

EducationActiveThailandAPNIC

AS37992 (THAMMASAT-BORDER-AS) is an education network operated by Thammasat University in Thailand, registered with APNIC. It has 33 IPv4 prefixes with 14,336 addresses and 3 IPv6 prefixes, which makes it the 8,427th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses14,336in 33 prefixes
IPv6 prefixes3≈ 7.9 × 10²⁸ addresses
Size rank#8,427of 82,200 active ASNs
Abuser scoreLow0.11% of its addresses flagged · method

Details

OrganizationThammasat University
AS nameTHAMMASAT-BORDER-AS
Websitetu.ac.th
Country Thailand (TH)
Network typeEducation
RegistryAPNIC
Abuse contactmit@tu.ac.th
Registered—
Last updated2020-07-07

IPv4 prefixes

33 prefixes · 14,336 addresses
NetworkAddressesFirst – last address
203.131.208.0/204,096203.131.208.0 – 203.131.223.255
203.131.208.0/23512203.131.208.0 – 203.131.209.255
203.131.210.0/23512203.131.210.0 – 203.131.211.255
203.131.212.0/23512203.131.212.0 – 203.131.213.255
203.131.214.0/23512203.131.214.0 – 203.131.215.255
203.131.216.0/23512203.131.216.0 – 203.131.217.255
203.131.218.0/23512203.131.218.0 – 203.131.219.255
203.131.220.0/23512203.131.220.0 – 203.131.221.255
203.131.222.0/23512203.131.222.0 – 203.131.223.255
61.90.234.0/2425661.90.234.0 – 61.90.234.255
61.90.235.0/2425661.90.235.0 – 61.90.235.255
61.90.236.0/2425661.90.236.0 – 61.90.236.255
61.90.237.0/2425661.90.237.0 – 61.90.237.255
110.164.61.0/24256110.164.61.0 – 110.164.61.255
110.164.62.0/24256110.164.62.0 – 110.164.62.255
110.164.83.0/24256110.164.83.0 – 110.164.83.255
110.164.84.0/24256110.164.84.0 – 110.164.84.255
110.164.178.0/24256110.164.178.0 – 110.164.178.255
110.164.179.0/24256110.164.179.0 – 110.164.179.255
119.46.188.0/24256119.46.188.0 – 119.46.188.255
119.46.189.0/24256119.46.189.0 – 119.46.189.255
119.46.190.0/24256119.46.190.0 – 119.46.190.255
119.46.191.0/24256119.46.191.0 – 119.46.191.255
119.46.235.0/24256119.46.235.0 – 119.46.235.255
119.46.236.0/24256119.46.236.0 – 119.46.236.255
The 25 largest of 33. The API and the database have all of them.

IPv6 prefixes

3 prefixes
  • 2404:140::/32
  • 2001:fb0:100e::/48
  • 2001:fb0:100f::/48

Query AS37992 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=AS37992&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS37992, with or without a key:

curl "https://api.ipapi.is/?q=203.131.208.1"

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