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AS40456 Chicago Mercantile Exchange

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

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Chicago Mercantile Exchange cmegroup.com

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AS Data

AS40456

AS40456 – Chicago Mercantile Exchange

AS Number	40456
AS Name	CME
Organization	Chicago Mercantile Exchange(cme)
Country	US
Website	cmegroup.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2007-02-23

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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:       40456
ASName:         CME
ASHandle:       AS40456
RegDate:        2007-02-23
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/40456


OrgName:        Chicago Mercantile Exchange
OrgId:          CME
Address:        20. South Wacker
City:           Chicago
StateProv:      IL
PostalCode:     60606
Country:        US
RegDate:        1994-06-02
Updated:        2022-03-30
Ref:            https://rdap.arin.net/registry/entity/CME


OrgNOCHandle: NETWO8732-ARIN
OrgNOCName:   Network Operations
OrgNOCPhone:  +1-312-627-4496 
OrgNOCEmail:  networkoperations@cmegroup.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO8732-ARIN

OrgTechHandle: CMEAR-ARIN
OrgTechName:   CME-ARIN-Admin
OrgTechPhone:  +1-312-627-4496 
OrgTechEmail:  NetworkEngineering@cmegroup.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CMEAR-ARIN

OrgAbuseHandle: CMEAR-ARIN
OrgAbuseName:   CME-ARIN-Admin
OrgAbusePhone:  +1-312-627-4496 
OrgAbuseEmail:  NetworkEngineering@cmegroup.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CMEAR-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

Frequently Asked Questions

What is ASN AS40456?

ASN AS40456 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS40456?

AS40456 is listed under Chicago Mercantile Exchange.

What do peers, upstreams, and downstreams mean?

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 included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

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.