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IP address details
AS3128
University of Wisconsin System·www.wisconsin.edu
IP address details
AS3128
University of Wisconsin System·www.wisconsin.edu
  • Summary IP.CC
  • Prefixes
  • Peers
  • Upstream
  • Downstream
  • Graphs
  • World Map
  • WHOIS Details
  • IX

Summary

  • As Number
    AS3128
  • Org Name
    University of Wisconsin System
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    17th November 1993
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    12
  • Ipv6 Prefixes
    1
  • Ipv4 Peers
    11
  • Ipv6 Peers
    7
  • Ipv4 Upstreams
    4
  • Ipv6 Upstreams
    3

Prefixes

There are 12 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States131.210.0.0/16
University of Wisconsin-Parkside
--ARIN
United States137.104.0.0/16
University of Wisconsin - Platteville
--ARIN
United States137.81.0.0/16
University of Wisconsin-Superior
--ARIN
United States138.49.0.0/16
University of Wisconsin
--ARIN
United States139.225.0.0/16
University of Wisconsin - River Falls
--ARIN
United States141.233.0.0/16
University of Wisconsin Oshkosh
--ARIN
United States143.200.0.0/16
University of Wisconsin - Green Bay
--ARIN
United States143.235.0.0/16
University of Wisconsin Colleges
--ARIN
United States143.236.0.0/16
University of Wisconsin - Stevens Point, WI
--ARIN
United States144.13.0.0/16
University of Wisconsin - Stout
--ARIN
146.151.3.0/24
--
192.35.81.0/24
--
  • 1
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology

Peers

There are 11 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
AS11164
Internet2
false
AS11537
Internet2
true
AS1299
true
AS19184
University of Wisconsin - Eau Claire
false
AS2381
WiscNet
false
AS394049
University of Wisconsin Hospital and Clinics
false
AS46103
University of Wisconsin Whitewater
true
AS47065
false
AS59
University of Wisconsin Madison
true
AS7018
true
AS7050
University of Wisconsin - Milwaukee
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Upstream

There are 4 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
AS11164
Internet2
false
AS1299
true
AS2381
WiscNet
false
AS7018
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Downstream

There are 6 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
AS19184
University of Wisconsin - Eau Claire
false
AS394049
University of Wisconsin Hospital and Clinics
false
AS46103
University of Wisconsin Whitewater
true
AS47065
false
AS59
University of Wisconsin Madison
true
AS7050
University of Wisconsin - Milwaukee
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Graphs

AS3128 Combined Upstream Graph AS3128 AS3128 AS1299 AS1299 AS3128->AS1299 AS7018 AS7018 AS3128->AS7018 AS11164 AS11164 AS3128->AS11164 AS6939 AS6939 AS3128->AS6939 AS3257 AS3257 AS1299->AS3257 AS2914 AS2914 AS1299->AS2914 AS3356 AS3356 AS1299->AS3356 AS2497 AS2497 AS11164->AS2497 AS6939->AS2914 AS6939->AS3356 AS6939->AS2497 AS701 AS701 AS6939->AS701 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209
AS3128 Combined Upstream Graph AS3128 AS3128 AS1299 AS1299 AS3128->AS1299 AS7018 AS7018 AS3128->AS7018 AS11164 AS11164 AS3128->AS11164 AS6939 AS6939 AS3128->AS6939 AS3257 AS3257 AS1299->AS3257 AS2914 AS2914 AS1299->AS2914 AS3356 AS3356 AS1299->AS3356 AS2497 AS2497 AS11164->AS2497 AS6939->AS2914 AS6939->AS3356 AS6939->AS2497 AS701 AS701 AS6939->AS701 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209

World Map

WHOIS Details


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber: 3128
ASName: BRUWS-AS3128
ASHandle: AS3128
RegDate: 1993-11-17
Updated: 2018-03-07
Ref: https://rdap.arin.net/registry/autnum/3128


OrgName: University of Wisconsin System
OrgId: BRUWS
Address: 1220 Linden Drive
City: Madison
StateProv: WI
PostalCode: 53705
Country: US
RegDate: 2014-04-16
Updated: 2022-09-26
Ref: https://rdap.arin.net/registry/entity/BRUWS


OrgTechHandle: MHA260-ARIN
OrgTechName: Hare, Michael
OrgTechPhone: +1-608-262-5236
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/MHA260-ARIN

OrgRoutingHandle: NOC31830-ARIN
OrgRoutingName: Network Operations Center
OrgRoutingPhone: +1-608-263-4188
OrgRoutingEmail: [email protected]
OrgRoutingRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN

OrgDNSHandle: UWSNH-ARIN
OrgDNSName: University of Wisconsin System Network Hostmaster
OrgDNSPhone: +1-608-263-4188
OrgDNSEmail: [email protected]
OrgDNSRef: https://rdap.arin.net/registry/entity/UWSNH-ARIN

OrgNOCHandle: NOC31830-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-608-262-9030
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN

OrgAbuseHandle: NOC31830-ARIN
OrgAbuseName: Network Operations Center
OrgAbusePhone: +1-608-262-9030
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN

OrgTechHandle: NOC31830-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-608-262-9030
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber: 3128
ASName: BRUWS-AS3128
ASHandle: AS3128
RegDate: 1993-11-17
Updated: 2018-03-07
Ref: https://rdap.arin.net/registry/autnum/3128


OrgName: University of Wisconsin System
OrgId: BRUWS
Address: 1220 Linden Drive
City: Madison
StateProv: WI
PostalCode: 53705
Country: US
RegDate: 2014-04-16
Updated: 2022-09-26
Ref: https://rdap.arin.net/registry/entity/BRUWS


OrgTechHandle: MHA260-ARIN
OrgTechName: Hare, Michael
OrgTechPhone: +1-608-262-5236
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/MHA260-ARIN

OrgRoutingHandle: NOC31830-ARIN
OrgRoutingName: Network Operations Center
OrgRoutingPhone: +1-608-263-4188
OrgRoutingEmail: [email protected]
OrgRoutingRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN

OrgDNSHandle: UWSNH-ARIN
OrgDNSName: University of Wisconsin System Network Hostmaster
OrgDNSPhone: +1-608-263-4188
OrgDNSEmail: [email protected]
OrgDNSRef: https://rdap.arin.net/registry/entity/UWSNH-ARIN

OrgNOCHandle: NOC31830-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-608-262-9030
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN

OrgAbuseHandle: NOC31830-ARIN
OrgAbuseName: Network Operations Center
OrgAbusePhone: +1-608-262-9030
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN

OrgTechHandle: NOC31830-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-608-262-9030
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

IX

Country
IX
IPv4
IPv6
Port Speed
United StatesMadIX144.92.233.23710 Gbps
United StatesMICE206.108.255.66100 Gbps
United StatesMKE-IX204.107.122.4510 Gbps
  • 1
Country
IX
IPv4
IPv6
Port Speed
United StatesMadIX144.92.233.23710 Gbps
United StatesMICE206.108.255.66100 Gbps
United StatesMKE-IX204.107.122.4510 Gbps
  • 1
IP.CC
Search
IP address details
AS3128
University of Wisconsin System·www.wisconsin.edu
IP address details
AS3128
University of Wisconsin System·www.wisconsin.edu

Summary

  • As Number
    AS3128
  • Org Name
    University of Wisconsin System
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    17th November 1993
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    12
  • Ipv6 Prefixes
    1
  • Ipv4 Peers
    11
  • Ipv6 Peers
    7
  • Ipv4 Upstreams
    4
  • Ipv6 Upstreams
    3

Prefixes

There are 12 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States131.210.0.0/16
University of Wisconsin-Parkside
--ARIN
United States137.104.0.0/16
University of Wisconsin - Platteville
--ARIN
United States137.81.0.0/16
University of Wisconsin-Superior
--ARIN
United States138.49.0.0/16
University of Wisconsin
--ARIN
United States139.225.0.0/16
University of Wisconsin - River Falls
--ARIN
United States141.233.0.0/16
University of Wisconsin Oshkosh
--ARIN
United States143.200.0.0/16
University of Wisconsin - Green Bay
--ARIN
United States143.235.0.0/16
University of Wisconsin Colleges
--ARIN
United States143.236.0.0/16
University of Wisconsin - Stevens Point, WI
--ARIN
United States144.13.0.0/16
University of Wisconsin - Stout
--ARIN
146.151.3.0/24
--
192.35.81.0/24
--
  • 1
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology

Peers

There are 11 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
AS11164
Internet2
false
AS11537
Internet2
true
AS1299
true
AS19184
University of Wisconsin - Eau Claire
false
AS2381
WiscNet
false
AS394049
University of Wisconsin Hospital and Clinics
false
AS46103
University of Wisconsin Whitewater
true
AS47065
false
AS59
University of Wisconsin Madison
true
AS7018
true
AS7050
University of Wisconsin - Milwaukee
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Upstream

There are 4 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
AS11164
Internet2
false
AS1299
true
AS2381
WiscNet
false
AS7018
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Downstream

There are 6 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
AS19184
University of Wisconsin - Eau Claire
false
AS394049
University of Wisconsin Hospital and Clinics
false
AS46103
University of Wisconsin Whitewater
true
AS47065
false
AS59
University of Wisconsin Madison
true
AS7050
University of Wisconsin - Milwaukee
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Graphs

AS3128 Combined Upstream Graph AS3128 AS3128 AS1299 AS1299 AS3128->AS1299 AS7018 AS7018 AS3128->AS7018 AS11164 AS11164 AS3128->AS11164 AS6939 AS6939 AS3128->AS6939 AS3257 AS3257 AS1299->AS3257 AS2914 AS2914 AS1299->AS2914 AS3356 AS3356 AS1299->AS3356 AS2497 AS2497 AS11164->AS2497 AS6939->AS2914 AS6939->AS3356 AS6939->AS2497 AS701 AS701 AS6939->AS701 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209
AS3128 Combined Upstream Graph AS3128 AS3128 AS1299 AS1299 AS3128->AS1299 AS7018 AS7018 AS3128->AS7018 AS11164 AS11164 AS3128->AS11164 AS6939 AS6939 AS3128->AS6939 AS3257 AS3257 AS1299->AS3257 AS2914 AS2914 AS1299->AS2914 AS3356 AS3356 AS1299->AS3356 AS2497 AS2497 AS11164->AS2497 AS6939->AS2914 AS6939->AS3356 AS6939->AS2497 AS701 AS701 AS6939->AS701 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209

World Map

WHOIS Details


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber: 3128
ASName: BRUWS-AS3128
ASHandle: AS3128
RegDate: 1993-11-17
Updated: 2018-03-07
Ref: https://rdap.arin.net/registry/autnum/3128


OrgName: University of Wisconsin System
OrgId: BRUWS
Address: 1220 Linden Drive
City: Madison
StateProv: WI
PostalCode: 53705
Country: US
RegDate: 2014-04-16
Updated: 2022-09-26
Ref: https://rdap.arin.net/registry/entity/BRUWS


OrgTechHandle: MHA260-ARIN
OrgTechName: Hare, Michael
OrgTechPhone: +1-608-262-5236
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/MHA260-ARIN

OrgRoutingHandle: NOC31830-ARIN
OrgRoutingName: Network Operations Center
OrgRoutingPhone: +1-608-263-4188
OrgRoutingEmail: [email protected]
OrgRoutingRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN

OrgDNSHandle: UWSNH-ARIN
OrgDNSName: University of Wisconsin System Network Hostmaster
OrgDNSPhone: +1-608-263-4188
OrgDNSEmail: [email protected]
OrgDNSRef: https://rdap.arin.net/registry/entity/UWSNH-ARIN

OrgNOCHandle: NOC31830-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-608-262-9030
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN

OrgAbuseHandle: NOC31830-ARIN
OrgAbuseName: Network Operations Center
OrgAbusePhone: +1-608-262-9030
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN

OrgTechHandle: NOC31830-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-608-262-9030
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber: 3128
ASName: BRUWS-AS3128
ASHandle: AS3128
RegDate: 1993-11-17
Updated: 2018-03-07
Ref: https://rdap.arin.net/registry/autnum/3128


OrgName: University of Wisconsin System
OrgId: BRUWS
Address: 1220 Linden Drive
City: Madison
StateProv: WI
PostalCode: 53705
Country: US
RegDate: 2014-04-16
Updated: 2022-09-26
Ref: https://rdap.arin.net/registry/entity/BRUWS


OrgTechHandle: MHA260-ARIN
OrgTechName: Hare, Michael
OrgTechPhone: +1-608-262-5236
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/MHA260-ARIN

OrgRoutingHandle: NOC31830-ARIN
OrgRoutingName: Network Operations Center
OrgRoutingPhone: +1-608-263-4188
OrgRoutingEmail: [email protected]
OrgRoutingRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN

OrgDNSHandle: UWSNH-ARIN
OrgDNSName: University of Wisconsin System Network Hostmaster
OrgDNSPhone: +1-608-263-4188
OrgDNSEmail: [email protected]
OrgDNSRef: https://rdap.arin.net/registry/entity/UWSNH-ARIN

OrgNOCHandle: NOC31830-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-608-262-9030
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN

OrgAbuseHandle: NOC31830-ARIN
OrgAbuseName: Network Operations Center
OrgAbusePhone: +1-608-262-9030
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN

OrgTechHandle: NOC31830-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-608-262-9030
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/NOC31830-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

IX

Country
IX
IPv4
IPv6
Port Speed
United StatesMadIX144.92.233.23710 Gbps
United StatesMICE206.108.255.66100 Gbps
United StatesMKE-IX204.107.122.4510 Gbps
  • 1
Country
IX
IPv4
IPv6
Port Speed
United StatesMadIX144.92.233.23710 Gbps
United StatesMICE206.108.255.66100 Gbps
United StatesMKE-IX204.107.122.4510 Gbps
  • 1
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What is an ASN?
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
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