Autonomous System

AS1249 University of Massachusetts - AMHERST

EducationActiveUnited StatesARIN

AS1249 (FIVE-COLLEGES-AS) is an education network operated by University of Massachusetts - AMHERST in United States, registered with ARIN. It has 4 IPv4 prefixes with 82,432 addresses, which makes it the 2,632nd largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses82,432in 4 prefixes
IPv6 prefixes0none
Size rank#2,632of 82,200 active ASNs
Abuser scoreVery Low0.02% of its addresses flagged · method

Details

OrganizationUniversity of Massachusetts - AMHERST
AS nameFIVE-COLLEGES-AS
Websiteumass.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactabuse@umass.edu
Registered1991-04-18
Last updated2024-11-06

IPv4 prefixes

4 prefixes · 82,432 addresses
NetworkAddressesFirst – last address
128.119.0.0/1665,536128.119.0.0 – 128.119.255.255
72.19.64.0/1816,38472.19.64.0 – 72.19.127.255
192.80.83.0/24256192.80.83.0 – 192.80.83.255
192.189.138.0/24256192.189.138.0 – 192.189.138.255

IPv6 prefixes

No IPv6 prefixes.

Query AS1249 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=AS1249&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS1249, with or without a key:

curl "https://api.ipapi.is/?q=128.119.0.1"

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