Autonomous System

AS160 The University of Chicago

EducationActiveUnited StatesARIN

AS160 (U-CHICAGO-AS) is an education network operated by The University of Chicago in United States, registered with ARIN. It has 6 IPv4 prefixes with 115,200 addresses and 2 IPv6 prefixes, which makes it the 2,134th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses115,200in 6 prefixes
IPv6 prefixes2≈ 2.4 × 10²⁴ addresses
Size rank#2,134of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationThe University of Chicago
AS nameU-CHICAGO-AS
Websiteuchicago.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactsecurity@uchicago.edu
Registered1988-02-25
Last updated2023-12-05

IPv4 prefixes

6 prefixes · 115,200 addresses
NetworkAddressesFirst – last address
128.135.0.0/1665,536128.135.0.0 – 128.135.255.255
205.208.0.0/1732,768205.208.0.0 – 205.208.127.255
192.170.192.0/198,192192.170.192.0 – 192.170.223.255
192.170.224.0/198,192192.170.224.0 – 192.170.255.255
192.5.85.0/24256192.5.85.0 – 192.5.85.255
198.177.153.0/24256198.177.153.0 – 198.177.153.255

IPv6 prefixes

2 prefixes
  • 2605:9a00::/48
  • 2605:9a00:10::/48

Query AS160 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=AS160&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS160, with or without a key:

curl "https://api.ipapi.is/?q=128.135.0.1"

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