ASN AS23301 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS23301?

AS23301 is listed under State of Wisconsin Investment Board.

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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AS23301 State of Wisconsin Investment Board

ASN Lookup Tool

State of Wisconsin Investment Board swib.state.wi.us

US 1 Routes

AS Data

AS23301

AS23301 – State of Wisconsin Investment Board

AS Number	23301
AS Name	WISC-INVESTMENT-BOARD
Organization	State of Wisconsin Investment Board(swib)
Country	US
Website	swib.state.wi.us
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2002-02-22

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Use ASN data for AS23301 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
204.239.17.0/24	AS23301	State of Wisconsin Investment Board	State of Wisconsin Investment Board	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:       23301
ASName:         WISC-INVESTMENT-BOARD
ASHandle:       AS23301
RegDate:        2002-02-22
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/23301


OrgName:        State of Wisconsin Investment Board
OrgId:          SWIB
Address:        4703 Madison Yards Way
City:           Madison
StateProv:      WI
PostalCode:     53705
Country:        US
RegDate:        2000-01-17
Updated:        2024-07-23
Ref:            https://rdap.arin.net/registry/entity/SWIB


OrgAbuseHandle: SMITH6176-ARIN
OrgAbuseName:   Smith, Pete 
OrgAbusePhone:  +1-608-266-2038 
OrgAbuseEmail:  pete.smith@swib.state.wi.us
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SMITH6176-ARIN

OrgNOCHandle: DEMAN6-ARIN
OrgNOCName:   DeMane, Kim 
OrgNOCPhone:  +1-312-402-7798 
OrgNOCEmail:  kim.demane@swib.state.wi.us
OrgNOCRef:    https://rdap.arin.net/registry/entity/DEMAN6-ARIN

OrgRoutingHandle: DEMAN6-ARIN
OrgRoutingName:   DeMane, Kim 
OrgRoutingPhone:  +1-312-402-7798 
OrgRoutingEmail:  kim.demane@swib.state.wi.us
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DEMAN6-ARIN

OrgTechHandle: SMITH6176-ARIN
OrgTechName:   Smith, Pete 
OrgTechPhone:  +1-608-266-2038 
OrgTechEmail:  pete.smith@swib.state.wi.us
OrgTechRef:    https://rdap.arin.net/registry/entity/SMITH6176-ARIN

OrgDNSHandle: DEMAN6-ARIN
OrgDNSName:   DeMane, Kim 
OrgDNSPhone:  +1-312-402-7798 
OrgDNSEmail:  kim.demane@swib.state.wi.us
OrgDNSRef:    https://rdap.arin.net/registry/entity/DEMAN6-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
AS2381	WiscNet	US

Upstreams

AS Number	Description	Country
AS40264	Charter Communications LLC	US
AS2381	WiscNet	US