ASN Lookup Tool
AS1224 NCSA-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS1224
Organisation
University of Illinois
Name
NCSA-AS
Total IPv4 Addresses
65792
Total IPv4 Prefixes
2
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,934 out of 76,964
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1991-02-25
Registration Last Change
2024-02-12
Receiving From

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

ASN
Organisation
US flagESnet
US flagCalifornia State University, Office of the Chanc..
US flagUniversity of Illinois
US flagMetropolitan Research and Education Network
IPv4 Active Prefixes

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

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.