ASN Lookup Tool
AS59 University of Wisconsin Madison

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An 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.

ASN Lookup for:

AS59

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ASN Extended Info API

ASN Details

ASN
AS59
Organisation
University of Wisconsin Madison
AS Name
WISC-MADISON-AS
IPv4 Addresses Announced
329,472
IPv4 Prefixes Announced
9
Bogon Prefixes Announced
0
IPv4 Space Rank
#784 out of 75,079
Registry
ARIN
Registered Country
US flag US
Registration Date
1986-01-21
Registration Change
2012-03-02

Receiving From

ASN
Organisation
ASN
Organisation
US flag University of Wisconsin System
ASN
Organisation
US flag ESnet
ASN
Organisation
US flag Internet2

Active Prefixes