AS23397 Chicago Board of Trade

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	167.204.37.0/24	Chicago Board of Trade		167.204.0.0/16	ARIN
	204.10.10.0/24	NEW YORK MERCANTILE EXCHANGE		204.10.8.0/21	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS46887	CROWNCASTLE-AS46887	Crown Castle Fiber LLC
	AS6461	ZAYO-6461	Zayo Bandwidth

• IPv4 Upstreams

Country	ASN	Name	Description
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS46887	CROWNCASTLE-AS46887	Crown Castle Fiber LLC

IPv4 Upstream Graph

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IPv4 Upstream Graph

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#
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ASNumber:       23397
ASName:         CME-VEN-AS23397
ASHandle:       AS23397
RegDate:        2002-03-12
Updated:        2021-01-27
Comment:        CME Group  
Comment:        http://cmegroup.com    
Ref:            https://rdap.arin.net/registry/autnum/23397


OrgName:        Chicago Board of Trade
OrgId:          CBT
Address:        141 West Jackson Street
Address:        Suite 901A
Address:        Network technology group
City:           Chicago
StateProv:      IL
PostalCode:     60604
Country:        US
RegDate:        1992-12-18
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/CBT


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

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


#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#