ASN AS31973 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS31973?

AS31973 is listed under Wisconsin Physicians Service Insurance Corp..

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?

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AS31973 Wisconsin Physicians Service Insurance Corp.

ASN Lookup Tool

Wisconsin Physicians Service Insurance Corp. wpsic.com

US 2 Routes

AS Data

AS31973

AS31973 – Wisconsin Physicians Service Insurance Corp.

AS Number	31973
AS Name	WPS-1765DC
Organization	Wisconsin Physicians Service Insurance Corp.(wps-53)
Country	US
Website	wpsic.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2004-02-03

ASN Intelligence API for production workflows

Use ASN data for AS31973 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
12.25.154.0/24	AS31973	Wisconsin Physicians Service Insurance Corp.	WISCONSIN PHYSICIANS SERVICES	256
12.181.161.0/24	AS31973	Wisconsin Physicians Service Insurance Corp.	WISCONSIN PHYSICIANS SERVICES	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:       31973
ASName:         WPS-1765DC
ASHandle:       AS31973
RegDate:        2004-02-03
Updated:        2014-06-13    
Ref:            https://rdap.arin.net/registry/autnum/31973


OrgName:        Wisconsin Physicians Service Insurance Corp.
OrgId:          WPS-53
Address:        1717 W. Broadway
Address:        PO Box 8190
City:           Madison
StateProv:      WI
PostalCode:     53708
Country:        US
RegDate:        2004-01-15
Updated:        2019-08-21
Ref:            https://rdap.arin.net/registry/entity/WPS-53


OrgNOCHandle: WPSHI-ARIN
OrgNOCName:   WPSHI
OrgNOCPhone:  +1-608-977-6463 
OrgNOCEmail:  stephanie.sieger@wpsic.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/WPSHI-ARIN

OrgRoutingHandle: WPSHI-ARIN
OrgRoutingName:   WPSHI
OrgRoutingPhone:  +1-608-977-6463 
OrgRoutingEmail:  stephanie.sieger@wpsic.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/WPSHI-ARIN

OrgAbuseHandle: WPSHI-ARIN
OrgAbuseName:   WPSHI
OrgAbusePhone:  +1-608-977-6463 
OrgAbuseEmail:  stephanie.sieger@wpsic.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WPSHI-ARIN

OrgTechHandle: WPSHI-ARIN
OrgTechName:   WPSHI
OrgTechPhone:  +1-608-977-6463 
OrgTechEmail:  stephanie.sieger@wpsic.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WPSHI-ARIN

OrgDNSHandle: WPSHI-ARIN
OrgDNSName:   WPSHI
OrgDNSPhone:  +1-608-977-6463 
OrgDNSEmail:  stephanie.sieger@wpsic.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/WPSHI-ARIN

RTechHandle: LINKE-ARIN
RTechName:   Linkert, Duane 
RTechPhone:  +1-608-223-5994 
RTechEmail:  duane.linkert@wpsic.com
RTechRef:    https://rdap.arin.net/registry/entity/LINKE-ARIN

RAbuseHandle: LINKE-ARIN
RAbuseName:   Linkert, Duane 
RAbusePhone:  +1-608-223-5994 
RAbuseEmail:  duane.linkert@wpsic.com
RAbuseRef:    https://rdap.arin.net/registry/entity/LINKE-ARIN

RNOCHandle: LINKE-ARIN
RNOCName:   Linkert, Duane 
RNOCPhone:  +1-608-223-5994 
RNOCEmail:  duane.linkert@wpsic.com
RNOCRef:    https://rdap.arin.net/registry/entity/LINKE-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
AS40264	Charter Communications LLC	US
AS7018	AT&T Enterprises, LLC	US

Upstreams

AS Number	Description	Country
AS40264	Charter Communications LLC	US
AS7018	AT&T Enterprises, LLC	US