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	Prefix	Description
	131.210.0.0/16	University of Wisconsin-Parkside
	137.81.0.0/16	University of Wisconsin-Superior
	137.104.0.0/16	University of Wisconsin - Platteville
	138.49.0.0/16	University of Wisconsin-La Crosse
	138.49.160.0/22	University of Wisconsin-La Crosse
	139.225.0.0/16	University of Wisconsin - River Falls
	141.233.0.0/16	University of Wisconsin Oshkosh
	143.200.0.0/16	University of Wisconsin - Green Bay
	143.235.0.0/16	University of Wisconsin System Administration
	143.236.0.0/16	University of Wisconsin-Stevens Point
	144.13.0.0/16	University of Wisconsin - Stout
	146.151.3.0/24	University of Wisconsin Madison
	192.35.81.0/24	University of Wisconsin-Parkside
	2600:1d00::/28	University of Wisconsin System

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS2381	WiscNet	✔	✘
	AS6939	Hurricane Electric LLC	✘	✔
	AS7018	AT&T Enterprises, LLC	✔	✔
	AS11164	Internet2 I2PX	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2381	WiscNet	✔	✔
	AS59	University of Wisconsin Madison	✔	✔
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS46103	University of Wisconsin Whitewater	✔	✔
	AS6939	Hurricane Electric LLC	✘	✔
	AS7050	University of Wisconsin - Milwaukee	✔	✔
	AS19184	University of Wisconsin - Eau Claire	✔	✘
	AS11164	Internet2 I2PX	✔	✔
	AS394049	University of Wisconsin Hospital and Clinics	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✔
	AS11537	Internet2	✔	✔
	AS47065	USC / UFMG PEERING Research Testbed	✔	✘
	AS11232	Midcontinent Communications	✔	✔
	AS64289	Macarne.com	✔	✔
	AS20115	Charter Communications LLC	✔	✔
	AS46733	x6c	✔	✔
	AS401332	Triplebit	✔	✔
	AS47689	Pudu, LLC	✔	✔
	AS52025	ParadoxNetworks Limited	✔	✔
	AS52210	Accuris Technologies Ltd.	✔	✔
	AS400818	Ausra LLC	✔	✔
	AS21738	Rozint	✔	✔
	AS10242	US Internet Corp	✔	✔
	AS53597	Hoyos Consulting LLC	✔	✔
	AS23428	ServerForge LLC	✔	✔
	AS393577	Tritan Development	✔	✘
	AS40350	Key Cooperative	✔	✘
	AS18451	LES.NET	✔	✘
	AS397326	South Front Networks	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS59	University of Wisconsin Madison	✔	✔
	AS46103	University of Wisconsin Whitewater	✔	✔
	AS7050	University of Wisconsin - Milwaukee	✔	✔
	AS394049	University of Wisconsin Hospital and Clinics	✔	✘
	AS47065	USC / UFMG PEERING Research Testbed	✔	✘
	AS19184	University of Wisconsin - Eau Claire	✔	✘

ASHandle:       AS3128
OrgID:          BRUWS
ASName:         
ASNumber:       3128
RegDate:        1993-11-17
Updated:        2018-03-07
Source:         ARIN



OrgID:          BRUWS
OrgName:        University of Wisconsin System
CanAllocate:    
Street:         1220 Linden Drive
City:           Madison
State/Prov:     WI
Country:        US
PostalCode:     53705
RegDate:        2014-04-16
Updated:        2022-09-26
OrgAdminHandle: NOC31830-ARIN
OrgTechHandle:  MHA260-ARIN
OrgTechHandle:  NOC31830-ARIN
OrgAbuseHandle: NOC31830-ARIN
OrgNOCHandle:   NOC31830-ARIN
OrgRoutingHandle:   NOC31830-ARIN
OrgDNSHandle:   UWSNH-ARIN
Source:         ARIN





OrgAdminHandle:       NOC31830-ARIN
OrgAdminName:          Network Operations Center
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        MHA260-ARIN
OrgTechName:          Michael Hare
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NOC31830-ARIN
OrgTechName:           Network Operations Center
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NOC31830-ARIN
OrgAbuseName:          Network Operations Center
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         NOC31830-ARIN
OrgNOCName:            Network Operations Center
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     NOC31830-ARIN
OrgRoutingName:        Network Operations Center
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         UWSNH-ARIN
OrgDNSName:            University of Wisconsin System Network Hostmaster
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-09T03:24:50Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-as33274-mice-rs-peers	100
RADB	as-startapcn	88
RIPE	as-transroute-spec	19663
RIPE	as-dfnfromesnet	2
RADB	as-wiscnet-wrips	484
RADB	as-startapru	68
RADB	as-startapeu	47
RADB	as-hurricanev6	20352
RADB	as3676:as-uiowa-peers-announce-cust	20
RADB	as3128:as-all	8
RADB	as-startapap	83
RADB	as-startapla	65
ARIN	as-uwsysnet	8
RADB	as-startapme	88
RADB	as-hurricane	24469
RADB	as-startapca	85