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ASN Lookup Tool
AS59 WISC-MADISON-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS59
Organisation
University of Wisconsin Madison
Name
WISC-MADISON-AS
Total IPv4 Addresses
330,752
Total IPv4 Prefixes
22
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#794 out of 79,166
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
1986-01-21
Registration Last Change
2012-03-02
Receiving From
ASN
Organisation
AS293
US flagESnet
AS3128
US flagUniversity of Wisconsin System
AS11537
US flagInternet2
IPv4 Active Prefixes
PrefixRange FromRange To
72.33.0.0/1672.33.0.072.33.255.255
128.104.0.0/16128.104.0.0128.104.255.255
128.105.0.0/16128.105.0.0128.105.255.255
144.92.0.0/16144.92.0.0144.92.255.255
146.151.0.0/23146.151.0.0146.151.1.255
Showing 5 of 22
IPv6 Active Prefixes
PrefixRange FromRange To
2607:f388::/322607:f388::2607:f388:ffff:ffff:ffff:ffff:ffff:ffff