ASN AS59 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS59?

AS59 is listed under University of Wisconsin Madison.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS59 University of Wisconsin Madison

ASN Lookup Tool

University of Wisconsin Madison wisc.edu

US 17 Routes

AS Data

AS59

AS59 – University of Wisconsin Madison

AS Number	59
AS Name	WISC-MADISON-AS
Organization	University of Wisconsin Madison(uwm-3)
Country	US
Website	wisc.edu
Number of IPv4 Routes	16
Number of IPv6 Routes	1
ASN type	EDUCATION
Registry	ARIN
Date Allocated	1986-01-21

ASN Intelligence API for production workflows

Use ASN data for AS59 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
192.12.224.0/24	AS59	University of Wisconsin Madison	University of Wisconsin Madison	256
72.33.0.0/16	AS59	University of Wisconsin Madison	University of Wisconsin Madison	65536
128.104.0.0/16	AS59	University of Wisconsin Madison	University of Wisconsin Madison	65536
128.105.0.0/16	AS59	University of Wisconsin Madison	University of Wisconsin Madison	65536
2607:f388::/32	AS59	University of Wisconsin Madison	University of Wisconsin Madison	~79×10²⁷
144.92.0.0/16	AS59	University of Wisconsin Madison	University of Wisconsin Madison	65536
198.133.224.0/24	AS59	University of Wisconsin Madison	University of Wisconsin Madison	256
192.12.220.0/24	AS59	University of Wisconsin Madison	University of Wisconsin Madison	256
192.12.223.0/24	AS59	University of Wisconsin Madison	University of Wisconsin Madison	256
198.51.247.0/24	AS59	University of Wisconsin Madison	University of Wisconsin Madison	256

Raw Whois Response

#
# 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 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       59
ASName:         WISC-MADISON-AS
ASHandle:       AS59
RegDate:        1986-01-21
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/59


OrgName:        University of Wisconsin Madison
OrgId:          UWM-3
Address:        1210 W Dayton
Address:        B332
City:           Madison
StateProv:      WI
PostalCode:     53706
Country:        US
RegDate:        2004-10-05
Updated:        2022-09-26
Ref:            https://rdap.arin.net/registry/entity/UWM-3


OrgNOCHandle: NOC212-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-608-263-4188 
OrgNOCEmail:  noc@doit.wisc.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC212-ARIN

OrgRoutingHandle: NOC212-ARIN
OrgRoutingName:   Network Operations Center
OrgRoutingPhone:  +1-608-263-4188 
OrgRoutingEmail:  noc@doit.wisc.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NOC212-ARIN

OrgAbuseHandle: UWMAP-ARIN
OrgAbuseName:   University of Wisconsin Madison Abuse POC
OrgAbusePhone:  +1-608-264-4357 
OrgAbuseEmail:  abuse@wisc.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UWMAP-ARIN

OrgDNSHandle: UWMHP-ARIN
OrgDNSName:   University of Wisconsin Madison Hostmaster POC
OrgDNSPhone:  +1-608-263-4188 
OrgDNSEmail:  hostmaster@doit.wisc.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/UWMHP-ARIN

OrgTechHandle: NOC212-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-608-263-4188 
OrgTechEmail:  noc@doit.wisc.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC212-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 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS19782	Indiana University	US
AS293	ESnet	US
AS11537	Internet2	US
AS3128	University of Wisconsin System	US

Upstreams

AS Number	Description	Country
AS293	ESnet	US
AS11537	Internet2	US
AS3128	University of Wisconsin System	US

Contacts

Email Contacts

noc@doit.wisc.edu

Abuse Contacts

abuse@wisc.edu