ASN AS26953 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS26953?

AS26953 is listed under Gallagher Bassett Services, Inc..

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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AS26953 Gallagher Bassett Services, Inc.

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Gallagher Bassett Services, Inc. ajg.com

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AS Data

AS26953

AS26953 – Gallagher Bassett Services, Inc.

AS Number	26953
AS Name	AJGCO-GB
Organization	Gallagher Bassett Services, Inc.(gbs)
Country	US
Website	ajg.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2002-12-30

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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:       26953
ASName:         AJGCO-GB
ASHandle:       AS26953
RegDate:        2002-12-30
Updated:        2002-12-30    
Ref:            https://rdap.arin.net/registry/autnum/26953


OrgName:        Gallagher Bassett Services, Inc.
OrgId:          GBS
Address:        2900 Golf Road
City:           Rolling Meadows
StateProv:      IL
PostalCode:     60008
Country:        US
RegDate:        1991-08-02
Updated:        2023-07-19
Ref:            https://rdap.arin.net/registry/entity/GBS


OrgAbuseHandle: BURDE57-ARIN
OrgAbuseName:   Burdeaux, Erik 
OrgAbusePhone:  +1-630-647-3205 
OrgAbuseEmail:  Erik_Burdeux@ajg.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BURDE57-ARIN

OrgAbuseHandle: ALCSAMS-ARIN
OrgAbuseName:   Sloma, Allen 
OrgAbusePhone:  +1-630-285-4158 
OrgAbuseEmail:  Allen_Sloma@ajg.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ALCSAMS-ARIN

OrgAbuseHandle: VARGH29-ARIN
OrgAbuseName:   Varghese, Monesh 
OrgAbusePhone:  +1-630-285-3860 
OrgAbuseEmail:  Monesh_Varghese@ajg.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/VARGH29-ARIN

OrgAbuseHandle: HOBRY3-ARIN
OrgAbuseName:   Ho, Bryant 
OrgAbusePhone:  +1-630-285-4408 
OrgAbuseEmail:  Bryant_Ho@ajg.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HOBRY3-ARIN

OrgTechHandle: CMS52-ARIN
OrgTechName:   Snyder, Carl M
OrgTechPhone:  +1-630-694-5432 
OrgTechEmail:  Carl_Snyder@ajg.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CMS52-ARIN

OrgTechHandle: HOBRY3-ARIN
OrgTechName:   Ho, Bryant 
OrgTechPhone:  +1-630-285-4408 
OrgTechEmail:  Bryant_Ho@ajg.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HOBRY3-ARIN

OrgAbuseHandle: CMS52-ARIN
OrgAbuseName:   Snyder, Carl M
OrgAbusePhone:  +1-630-694-5432 
OrgAbuseEmail:  Carl_Snyder@ajg.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CMS52-ARIN

OrgTechHandle: BURDE57-ARIN
OrgTechName:   Burdeaux, Erik 
OrgTechPhone:  +1-630-647-3205 
OrgTechEmail:  Erik_Burdeux@ajg.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BURDE57-ARIN

OrgTechHandle: VARGH29-ARIN
OrgTechName:   Varghese, Monesh 
OrgTechPhone:  +1-630-285-3860 
OrgTechEmail:  Monesh_Varghese@ajg.com
OrgTechRef:    https://rdap.arin.net/registry/entity/VARGH29-ARIN

OrgTechHandle: ALCSAMS-ARIN
OrgTechName:   Sloma, Allen 
OrgTechPhone:  +1-630-285-4158 
OrgTechEmail:  Allen_Sloma@ajg.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ALCSAMS-ARIN

OrgAbuseHandle: LANCO6-ARIN
OrgAbuseName:   Lancor, Clint 
OrgAbusePhone:  +1-630-285-4158 
OrgAbuseEmail:  Clint_Lancor@ajg.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LANCO6-ARIN

OrgTechHandle: LANCO6-ARIN
OrgTechName:   Lancor, Clint 
OrgTechPhone:  +1-630-285-4158 
OrgTechEmail:  Clint_Lancor@ajg.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LANCO6-ARIN

RTechHandle: JB14-ARIN
RTechName:   Basalay, John 
RTechPhone:  +1-708-773-3800 
RTechEmail:  
RTechRef:    https://rdap.arin.net/registry/entity/JB14-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.
#

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AS26953 – Gallagher Bassett Services, Inc.

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