ASN Lookup Tool
AS38 UIUC

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS38
Organisation
University of Illinois
Name
UIUC
Total IPv4 Addresses
210944
Total IPv4 Prefixes
30
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,074 out of 76,971
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1985-01-24
Registration Last Change
2022-02-23
Receiving From

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

ASN
Organisation
US flagInternet2
US flagUniversity of Illinois
IPv4 Active Prefixes

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

Range From72.36.64.0
Range To72.36.64.127
Range From72.36.65.0
Range To72.36.65.255
Showing 5 of 30
IPv6 Active Prefixes
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.