AS3128 University of Wisconsin System

BRUWS-AS3128

Company Website

IPv4 Addresses: 655,360

Number of Peers: 19

Number of Prefixes: 11

Traffic Estimation: 100-200Gbps

ASN
Prefixes
Peers
Upstreams
Downstreams
Graphs
World Map
Raw Whois
IX

AS3128 Summary

Regional Registry:

IANA

Allocation Status:

Assigned

Traffic Estimation:

100-200Gbps

Traffic Ratio:

Mostly Inbound

Internet Exchanges:

3

Website:

https://www.wisconsin.edu

Looking Glass :

https://stats.uwsys.net

AS3128 Network

IPv4 Prefixes:

10

IPv4 Peers:

12

IPv4 Upstreams:

4

IPv6 Prefixes:

1

IPv6 Peers:

7

IPv6 Upstreams:

3

Contacts

Email Contacts:

hostmaster@uwsys.net

noc@uwsys.net

michael.hare@wisc.edu

Abuse Contacts:

noc@uwsys.net

Address:

1220 Linden Drive,

Madison,

WI,

53705,

US

IPv4 Prefixes
IPv6 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	131.210.0.0/16	University of Wisconsin-Parkside		131.210.0.0/16	ARIN
	137.81.0.0/16	University of Wisconsin-Superior		137.81.0.0/16	ARIN
	137.104.0.0/16	University of Wisconsin - Platteville		137.104.0.0/16	ARIN
	138.49.0.0/16	University of Wisconsin-La Crosse		138.49.0.0/16	ARIN
	139.225.0.0/16	University of Wisconsin - River Falls		139.225.0.0/16	ARIN
	141.233.0.0/16	University of Wisconsin Oshkosh		141.233.0.0/16	ARIN
	143.200.0.0/16	University of Wisconsin - Green Bay		143.200.0.0/16	ARIN
	143.235.0.0/16	University of Wisconsin System Administration		143.235.0.0/16	ARIN
	143.236.0.0/16	University of Wisconsin-Stevens Point		143.236.0.0/16	ARIN
	144.13.0.0/16	University of Wisconsin - Stout		144.13.0.0/16	ARIN

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2600:1d00::/28	University of Wisconsin System		2600:1d00::/28	ARIN

IPv4 Peers
IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier
	AS2381	WISCNET1-AS	WiscNet
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC
	AS59	WISC-MADISON-AS	University of Wisconsin Madison
	AS19184	UWECNET	University of Wisconsin - Eau Claire
	AS7050	UW-MILWAUKEE-AS1	University of Wisconsin - Milwaukee
	AS11537	INTERNET2-RESEARCH-EDU	Internet2
	AS11164	INTERNET2-I2PX	Internet2
	AS46103	UWW-EDU-ASN	University of Wisconsin Whitewater
	AS47065	PEERING-RESEARCH-TESTBED-USC-UFMG-AS47065	USC / UFMG PEERING Research Testbed
	AS394049	UWHCA	University of Wisconsin Hospital and Clinics
	AS6939	HURRICANE	Hurricane Electric LLC

Country	ASN	Name	Description	IPv4
	AS6939	HURRICANE	Hurricane Electric LLC
	AS7050	UW-MILWAUKEE-AS1	University of Wisconsin - Milwaukee
	AS11537	INTERNET2-RESEARCH-EDU	Internet2
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier
	AS46103	UWW-EDU-ASN	University of Wisconsin Whitewater
	AS59	WISC-MADISON-AS	University of Wisconsin Madison
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC

IPv4 Upstreams
IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC
	AS2381	WISCNET1-AS	WiscNet
	AS11164	INTERNET2-I2PX	Internet2

IPv4 Upstream Graph

Country	ASN	Name	Description	IPv4
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC
	AS6939	HURRICANE	Hurricane Electric LLC

IPv6 Upstream Graph

IPv4 Downstreams
IPv6 Downstreams

Country	ASN	Name	Description	IPv6
	AS59	WISC-MADISON-AS	University of Wisconsin Madison
	AS46103	UWW-EDU-ASN	University of Wisconsin Whitewater
	AS7050	UW-MILWAUKEE-AS1	University of Wisconsin - Milwaukee
	AS19184	UWECNET	University of Wisconsin - Eau Claire
	AS394049	UWHCA	University of Wisconsin Hospital and Clinics
	AS47065	PEERING-RESEARCH-TESTBED-USC-UFMG-AS47065	USC / UFMG PEERING Research Testbed

Country	ASN	Name	Description	IPv4
	AS59	WISC-MADISON-AS	University of Wisconsin Madison
	AS46103	UWW-EDU-ASN	University of Wisconsin Whitewater
	AS7050	UW-MILWAUKEE-AS1	University of Wisconsin - Milwaukee

#
# 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


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

OrgRoutingHandle: NOC31830-ARIN
OrgRoutingName:   Network Operations Center
OrgRoutingPhone:  +1-608-262-9030 
OrgRoutingEmail:  noc@uwsys.net
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NOC31830-ARIN

OrgTechHandle: MHA260-ARIN
OrgTechName:   Hare, Michael 
OrgTechPhone:  +1-608-262-5236 
OrgTechEmail:  michael.hare@wisc.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/MHA260-ARIN

OrgAbuseHandle: NOC31830-ARIN
OrgAbuseName:   Network Operations Center
OrgAbusePhone:  +1-608-262-9030 
OrgAbuseEmail:  noc@uwsys.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC31830-ARIN

OrgNOCHandle: NOC31830-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-608-262-9030 
OrgNOCEmail:  noc@uwsys.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC31830-ARIN

OrgTechHandle: NOC31830-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-608-262-9030 
OrgTechEmail:  noc@uwsys.net
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.
#

Country	IX	Name	IPv4	IPv6	Port Speed
	MadIX	Madison Internet Exchange	144.92.233.237	2607:f388:0:2200::3	10 Gbps
	MICE	Midwest Internet Cooperative Exchange	206.108.255.66	2001:504:27::c38:0:1	100 Gbps
	MKE-IX	The Milwaukee IX	204.107.122.45	2001:19e0:ffff::45	10 Gbps