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ASN Lookup Tool
AS177 UMICH-AS-1

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS177
Organisation
University of Michigan
Name
UMICH-AS-1
Total IPv4 Addresses
0
Total IPv4 Prefixes
0
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
NA
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1988-04-28
Registration Last Change
2020-01-14
Receiving From

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

ASN
Organisation
AS237
US flagMerit Network Inc.
IPv6 Active Prefixes
Prefix2001:48a8:68fd::/48
Range From2001:48a8:68fd::
Range To2001:48a8:68fd:ffff:ffff:ffff:ffff:ffff
Prefix2607:f018:fffe::/48
Range From2607:f018:fffe::
Range To2607:f018:fffe:ffff:ffff:ffff:ffff:ffff
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.