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ASN Lookup Tool
AS3128 BRUWS-AS3128

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS3128
Organisation
University of Wisconsin System
Name
BRUWS-AS3128
Total IPv4 Addresses
655,870
Total IPv4 Prefixes
32
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#500 out of 79,139
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2018-03-07
Receiving From
ASN
Organisation
AS7018
US flagAT&T Enterprises, LLC
AS4181
US flagTDS TELECOM
AS2381
US flagWiscNet
AS6939
US flagHurricane Electric LLC
AS1299
SE flagArelion Sweden AB
Showing 5 of 9
Transit To
ASN
Organisation
AS59
US flagUniversity of Wisconsin Madison
AS7050
US flagUniversity of Wisconsin - Milwaukee
AS19184
US flagUniversity of Wisconsin - Eau Claire
AS46103
US flagUniversity of Wisconsin Whitewater
AS47065
US flagUSC / UFMG PEERING Research Testbed
Showing 5 of 6
IPv4 Active Prefixes
PrefixRange FromRange To
131.210.0.0/16131.210.0.0131.210.255.255
137.81.0.0/16137.81.0.0137.81.255.255
137.104.0.0/16137.104.0.0137.104.255.255
138.49.0.0/17138.49.0.0138.49.127.255
138.49.128.0/19138.49.128.0138.49.159.255
Showing 5 of 32
IPv6 Active Prefixes
PrefixRange FromRange To
2600:1d00::/282600:1d00::2600:1d0f:ffff:ffff:ffff:ffff:ffff:ffff