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ASN Lookup Tool
AS160 U-CHICAGO-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS160
Organisation
The University of Chicago
Name
U-CHICAGO-AS
Total IPv4 Addresses
115,200
Total IPv4 Prefixes
6
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,837 out of 79,056
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
1988-02-25
Registration Last Change
2023-12-05
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
AS293
US flagESnet
AS2381
US flagWiscNet
AS19782
US flagIndiana University
Showing 5 of 10
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

PrefixRange FromRange To
128.135.0.0/16128.135.0.0128.135.255.255
192.5.85.0/24192.5.85.0192.5.85.255
192.170.192.0/19192.170.192.0192.170.223.255
192.170.224.0/19192.170.224.0192.170.255.255
198.177.153.0/24198.177.153.0198.177.153.255
Showing 5 of 6
IPv6 Active Prefixes
PrefixRange FromRange To
2605:9a00::/482605:9a00::2605:9a00:0:ffff:ffff:ffff:ffff:ffff
2605:9a00:10::/482605:9a00:10::2605:9a00:10:ffff:ffff:ffff:ffff:ffff