ASN AS40673 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS40673?

AS40673 is listed under Shelter Mutual Insurance.

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.

AS40673 Shelter Mutual Insurance

ASN Lookup Tool

Shelter Mutual Insurance shelterinsurance.com

US 1 Routes

AS Data

AS40673

AS40673 – Shelter Mutual Insurance

AS Number	40673
AS Name	SHELTERCUSTOMER
Organization	Shelter Mutual Insurance(smi-39)
Country	US
Website	shelterinsurance.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2008-02-25

ASN Intelligence API for production workflows

Use ASN data for AS40673 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
173.248.91.0/24	AS40673	Shelter Mutual Insurance	Shelter Mutual Insurance	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:       40673
ASName:         SHELTERCUSTOMER
ASHandle:       AS40673
RegDate:        2008-02-25
Updated:        2025-05-14    
Ref:            https://rdap.arin.net/registry/autnum/40673


OrgName:        Shelter Mutual Insurance
OrgId:          SMI-39
Address:        1817 West Broadway
City:           Columbia
StateProv:      MO
PostalCode:     65201
Country:        US
RegDate:        2007-02-09
Updated:        2025-04-30
Ref:            https://rdap.arin.net/registry/entity/SMI-39


OrgAbuseHandle: ISNET6-ARIN
OrgAbuseName:   ISNetworkInfrastructureTeam
OrgAbusePhone:  +1-888-743-5837 
OrgAbuseEmail:  isnetworkinfrastructureteam@shelterinsurance.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ISNET6-ARIN

OrgTechHandle: ISNET6-ARIN
OrgTechName:   ISNetworkInfrastructureTeam
OrgTechPhone:  +1-888-743-5837 
OrgTechEmail:  isnetworkinfrastructureteam@shelterinsurance.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ISNET6-ARIN

RNOCHandle: ISNET6-ARIN
RNOCName:   ISNetworkInfrastructureTeam
RNOCPhone:  +1-888-743-5837 
RNOCEmail:  isnetworkinfrastructureteam@shelterinsurance.com
RNOCRef:    https://rdap.arin.net/registry/entity/ISNET6-ARIN

RAbuseHandle: ISNET6-ARIN
RAbuseName:   ISNetworkInfrastructureTeam
RAbusePhone:  +1-888-743-5837 
RAbuseEmail:  isnetworkinfrastructureteam@shelterinsurance.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ISNET6-ARIN

RTechHandle: ISNET6-ARIN
RTechName:   ISNetworkInfrastructureTeam
RTechPhone:  +1-888-743-5837 
RTechEmail:  isnetworkinfrastructureteam@shelterinsurance.com
RTechRef:    https://rdap.arin.net/registry/entity/ISNET6-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
AS4581	Socket Holdings Corporation	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS4581	Socket Holdings Corporation	US
AS3356	Level 3 Parent, LLC	US