ASN Lookup Tool

AON Corporation aon.com US US 28 Routes

AS Data

AS16875

AS16875 – AON Corporation

AS Number 16875
AS Name AS16875
Organization AON Corporation(aon-1)
Country US
Website aon.com
Number of IPv4 Routes 28
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2000-06-22

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Use ASN data for AS16875 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
165.125.13.0/24 256
165.125.214.0/24 256
165.125.216.0/24 256
165.125.105.0/24 256
165.125.88.0/21 2048
165.125.101.0/24 256
165.125.6.0/24 256
165.125.99.0/24 256
165.125.215.0/24 256
165.125.102.0/24 256

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:       16875
ASName:         AS16875
ASHandle:       AS16875
RegDate:        2000-06-22
Updated:        2017-07-17
Comment:        E-mail and phone solicitations prohibited    
Ref:            https://rdap.arin.net/registry/autnum/16875


OrgName:        AON Corporation
OrgId:          AON-1
Address:        200 E. Randolph Street 7th floor
City:           Chicago
StateProv:      IL
PostalCode:     60601
Country:        US
RegDate:        
Updated:        2023-04-28
Ref:            https://rdap.arin.net/registry/entity/AON-1


OrgTechHandle: ZA151-ARIN
OrgTechName:   Aon Internet Services
OrgTechPhone:  +1-866-266-4357 
OrgTechEmail:  dns_master@aon.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZA151-ARIN

OrgAbuseHandle: ABUSE6413-ARIN
OrgAbuseName:   ABUSE
OrgAbusePhone:  +1-847-883-7966 
OrgAbuseEmail:  dns_master@aon.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE6413-ARIN

OrgTechHandle: NAW1-ARIN
OrgTechName:   Wells, Nicholas Alan
OrgTechPhone:  +447790493217 
OrgTechEmail:  nick.wells3@aon.co.uk
OrgTechRef:    https://rdap.arin.net/registry/entity/NAW1-ARIN

OrgTechHandle: ABUSE6413-ARIN
OrgTechName:   ABUSE
OrgTechPhone:  +1-847-883-7966 
OrgTechEmail:  dns_master@aon.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ABUSE6413-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
AS7474 SingTel Optus Pty Ltd AU
AS7018 AT&T Enterprises, LLC US
AS8220 COLT Technology Services Group Limited GB
AS702 Verizon Business US
AS3549 Level 3 Communications, Inc. (GBLX) US
AS702 Verizon Business/UUnet Europe US
AS18229 CtrlS IN
AS701 Verizon Business/UUnet US
AS327782 Metrofibre Networx ZA
AS3758 SingNet Pte Ltd SG

Upstreams

AS Number Description Country
AS3758 SingNet Pte Ltd SG
AS7474 SingTel Optus Pty Ltd AU
AS8220 COLT Technology Services Group Limited GB
AS702 Verizon Business US
AS7018 AT&T Enterprises, LLC US
AS18229 CtrlS IN
AS327782 Metrofibre Networx ZA
AS3356 Level 3 Parent, LLC US
AS701 Verizon Business US

Legacy Routes

165.125.179.0/24

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Frequently Asked Questions

ASN AS16875 is an Autonomous System Number used to identify a network for BGP internet routing.
AS16875 is listed under AON Corporation.
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.