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AS21656 NEX Services North America, LLC

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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NEX Services North America, LLC cmegroup.com

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AS Data

AS21656

AS21656 – NEX Services North America, LLC

AS Number	21656
AS Name	NEX-CORP-US
Organization	NEX Services North America, LLC(isnal-1)
Country	US
Website	cmegroup.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2017-09-19

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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:       21656
ASName:         NEX-CORP-US
ASHandle:       AS21656
RegDate:        2017-09-19
Updated:        2017-09-19    
Ref:            https://rdap.arin.net/registry/autnum/21656


OrgName:        NEX Services North America, LLC
OrgId:          ISNAL-1
Address:        300 Vesey Street
City:           New York
StateProv:      NY
PostalCode:     10282
Country:        US
RegDate:        2016-12-27
Updated:        2022-06-10
Comment:        NEX Group plc is a subsidiary of CME Group.
Ref:            https://rdap.arin.net/registry/entity/ISNAL-1


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

OrgNOCHandle: NETWO8732-ARIN
OrgNOCName:   Network Operations
OrgNOCPhone:  +1-312-627-4496 
OrgNOCEmail:  networkoperations@cmegroup.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO8732-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 AS21656?

ASN AS21656 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21656?

AS21656 is listed under NEX Services North America, LLC.

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.