ASN AS22208 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS22208?

AS22208 is listed under Chicago Trading Company.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

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AS22208 Chicago Trading Company

ASN Lookup Tool

Chicago Trading Company chicagotrading.com

US 9 Routes

AS Data

AS22208

AS22208 – Chicago Trading Company

AS Number	22208
AS Name	CTC-AS
Organization	Chicago Trading Company(ctcll)
Country	US
Website	chicagotrading.com
Number of IPv4 Routes	6
Number of IPv6 Routes	3
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2006-12-28

ASN Intelligence API for production workflows

Use ASN data for AS22208 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2a03:a9a0::/32	AS22208	Chicago Trading Company	CTC INFRA	~79×10²⁷
185.6.131.0/24	AS22208	Chicago Trading Company	CTC LONDON LIMITED	256
2001:df2:b080::/48	AS22208	Chicago Trading Company	Chicago Trading Company CTC Limited	~1×10²⁴
185.6.128.0/24	AS22208	Chicago Trading Company	Chicago Trading Company	256
216.241.75.0/24	AS22208	Chicago Trading Company	Chicago Trading Company	256
103.147.252.0/24	AS22208	Chicago Trading Company	Chicago Trading Company CTC Limited	256
216.241.70.0/24	AS22208	Chicago Trading Company	Chicago Trading Company	256
2620:126:b000::/40	AS22208	Chicago Trading Company	CTC Trading Group, L.L.C.	~309×10²⁴
84.207.243.176/29	AS22208	Chicago Trading Company	INFINITY SDC	8

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:       22208
ASName:         CTC-AS
ASHandle:       AS22208
RegDate:        2006-12-28
Updated:        2006-12-28    
Ref:            https://rdap.arin.net/registry/autnum/22208


OrgName:        Chicago Trading Company
OrgId:          CTCLL
Address:        440 S. LaSalle Street, 4th Floor
City:           Chicago
StateProv:      IL
PostalCode:     60605
Country:        US
RegDate:        2006-10-03
Updated:        2010-07-07
Ref:            https://rdap.arin.net/registry/entity/CTCLL


OrgTechHandle: NETWO1371-ARIN
OrgTechName:   Network Operations
OrgTechPhone:  +1-312-863-8000 
OrgTechEmail:  noc@chicagotrading.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO1371-ARIN

OrgAbuseHandle: NETWO1371-ARIN
OrgAbuseName:   Network Operations
OrgAbusePhone:  +1-312-863-8000 
OrgAbuseEmail:  noc@chicagotrading.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO1371-ARIN

OrgNOCHandle: NETWO1371-ARIN
OrgNOCName:   Network Operations
OrgNOCPhone:  +1-312-863-8000 
OrgNOCEmail:  noc@chicagotrading.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO1371-ARIN

RNOCHandle: NETWO1371-ARIN
RNOCName:   Network Operations
RNOCPhone:  +1-312-863-8000 
RNOCEmail:  noc@chicagotrading.com
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO1371-ARIN

RAbuseHandle: NETWO1371-ARIN
RAbuseName:   Network Operations
RAbusePhone:  +1-312-863-8000 
RAbuseEmail:  noc@chicagotrading.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO1371-ARIN

RTechHandle: NETWO1371-ARIN
RTechName:   Network Operations
RTechPhone:  +1-312-863-8000 
RTechEmail:  noc@chicagotrading.com
RTechRef:    https://rdap.arin.net/registry/entity/NETWO1371-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
AS46887	Crown Castle Fiber LLC	US
AS8220	COLT Technology Services Group Limited	GB
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS13237	euNetworks GmbH	DE
AS286	GTT Communications Inc.	NL
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS8220	COLT Technology Services Group Limited	GB
AS13237	euNetworks GmbH	DE
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US