Autonomous System

AS3839 Chulalongkorn University

EducationActiveThailandAPNIC

AS3839 (ERX-CHULANET) is an education network operated by Chulalongkorn University in Thailand, registered with APNIC. It has 7 IPv4 prefixes with 67,072 addresses and 1 IPv6 prefix, which makes it the 3,211th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses67,072in 7 prefixes
IPv6 prefixes1≈ 1.2 × 10²⁴ addresses
Size rank#3,211of 82,200 active ASNs
Abuser scoreLow0.06% of its addresses flagged · method

Details

OrganizationChulalongkorn University
AS nameERX-CHULANET
Websitechula.ac.th
Country Thailand (TH)
Network typeEducation
RegistryAPNIC
Abuse contactChaya.L@Chula.ac.th
Registered—
Last updated2008-09-04

IPv4 prefixes

7 prefixes · 67,072 addresses
NetworkAddressesFirst – last address
161.200.0.0/1665,536161.200.0.0 – 161.200.255.255
161.200.188.0/24256161.200.188.0 – 161.200.188.255
161.200.189.0/24256161.200.189.0 – 161.200.189.255
161.200.190.0/24256161.200.190.0 – 161.200.190.255
161.200.191.0/24256161.200.191.0 – 161.200.191.255
192.207.64.0/24256192.207.64.0 – 192.207.64.255
202.6.90.0/24256202.6.90.0 – 202.6.90.255

IPv6 prefixes

1 prefix
  • 2001:3c8:1401::/48

Query AS3839 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=AS3839&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS3839, with or without a key:

curl "https://api.ipapi.is/?q=161.200.0.1"

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