Autonomous System

AS1224 University of Illinois

EducationActiveUnited StatesARIN

AS1224 (NCSA-AS) is an education network operated by University of Illinois in United States, registered with ARIN. It has 2 IPv4 prefixes with 65,792 addresses and 1 IPv6 prefix, which makes it the 3,418th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses65,792in 2 prefixes
IPv6 prefixes1≈ 1.2 × 10²⁴ addresses
Size rank#3,418of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationUniversity of Illinois
AS nameNCSA-AS
Websiteillinois.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactneteng@ncsa.illinois.edu
Registered1991-02-25
Last updated2024-02-12

IPv4 prefixes

2 prefixes · 65,792 addresses
NetworkAddressesFirst – last address
141.142.0.0/1665,536141.142.0.0 – 141.142.255.255
198.17.196.0/24256198.17.196.0 – 198.17.196.255

IPv6 prefixes

1 prefix
  • 2620:0:c80::/48

Query AS1224 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=AS1224&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS1224, with or without a key:

curl "https://api.ipapi.is/?q=141.142.0.1"

Other networks of University of Illinois

AS38 University of Illinois217,600 IPv4 addressesAS698 University of Illinois12,288 IPv4 addresses

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