Autonomous System

AS12145 Colorado State University

EducationActiveUnited StatesARIN

AS12145 (COLORADOSTATEUNIV) is an education network operated by Colorado State University in United States, registered with ARIN. It has 3 IPv4 prefixes with 82,176 addresses, which makes it the 2,646th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses82,176in 3 prefixes
IPv6 prefixes0none
Size rank#2,646of 82,200 active ASNs
Abuser scoreVery Low0.02% of its addresses flagged · method

Details

OrganizationColorado State University
AS nameCOLORADOSTATEUNIV
Websitecolostate.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactdns.admin@colostate.edu
Registered1999-04-06
Last updated2022-07-14

IPv4 prefixes

3 prefixes · 82,176 addresses
NetworkAddressesFirst – last address
129.82.0.0/1665,536129.82.0.0 – 129.82.255.255
129.19.0.0/1816,384129.19.0.0 – 129.19.63.255
129.19.3.0/24256129.19.3.0 – 129.19.3.255

IPv6 prefixes

No IPv6 prefixes.

Query AS12145 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=AS12145&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS12145, with or without a key:

curl "https://api.ipapi.is/?q=129.82.0.1"

Other networks of Colorado State University

AS36691 Colorado State University65,536 IPv4 addresses

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