ASN Lookup Tool

Willis Towers Watson wtwco.com US US 0 Routes

AS Data

AS21872

AS21872 – Willis Towers Watson

AS Number 21872
AS Name WILLIS TOWERS WATSON
Organization Willis Towers Watson(wtwul)
Country US
Website wtwco.com
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2001-07-03

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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:       21872
ASName:         WILLIS TOWERS WATSON
ASHandle:       AS21872
RegDate:        2001-07-03
Updated:        2022-02-04    
Ref:            https://rdap.arin.net/registry/autnum/21872


OrgName:        Willis Towers Watson
OrgId:          WTWUL
Address:        800 N Glebe Rd
Address:        9th Floor
City:           Arlington
StateProv:      VA
PostalCode:     22207
Country:        US
RegDate:        2020-05-28
Updated:        2025-10-31
Ref:            https://rdap.arin.net/registry/entity/WTWUL


OrgNOCHandle: NSO34-ARIN
OrgNOCName:   Network Service Owner
OrgNOCPhone:  +07585906307 
OrgNOCEmail:  John.baigrie@wtwco.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NSO34-ARIN

OrgAbuseHandle: NSO34-ARIN
OrgAbuseName:   Network Service Owner
OrgAbusePhone:  +07585906307 
OrgAbuseEmail:  John.baigrie@wtwco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NSO34-ARIN

OrgTechHandle: BAIGR-ARIN
OrgTechName:   Baigrie, John 
OrgTechPhone:  +441473223000 
OrgTechEmail:  john.baigrie@wtwco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BAIGR-ARIN

OrgTechHandle: NSO34-ARIN
OrgTechName:   Network Service Owner
OrgTechPhone:  +07585906307 
OrgTechEmail:  John.baigrie@wtwco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NSO34-ARIN

OrgRoutingHandle: NSO34-ARIN
OrgRoutingName:   Network Service Owner
OrgRoutingPhone:  +07585906307 
OrgRoutingEmail:  John.baigrie@wtwco.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NSO34-ARIN

OrgTechHandle: MOYLE21-ARIN
OrgTechName:   Moyle, Mike 
OrgTechPhone:  +1-215-246-6162 
OrgTechEmail:  mike.moyle@wtwco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MOYLE21-ARIN

OrgDNSHandle: NSO34-ARIN
OrgDNSName:   Network Service Owner
OrgDNSPhone:  +07585906307 
OrgDNSEmail:  John.baigrie@wtwco.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/NSO34-ARIN

OrgTechHandle: CUNNI342-ARIN
OrgTechName:   Cunningham, Neil 
OrgTechPhone:  +441473223000 
OrgTechEmail:  neil.cunningham@wtwco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CUNNI342-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

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Frequently Asked Questions

ASN AS21872 is an Autonomous System Number used to identify a network for BGP internet routing.
AS21872 is listed under Willis Towers Watson.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.