ASN AS18900 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18900?

AS18900 is listed under CQG, Inc..

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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AS18900 CQG, Inc. | IPGeolocation.io

ASN Lookup Tool

CQG, Inc. cqg.com

US 1 Routes

AS Data

AS18900

AS18900 – CQG, Inc.

AS Number	18900
AS Name	CQG-INC
Organization	CQG, Inc. (cqginc-2)
Country	US
Website	cqg.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2000-10-24

ASN Intelligence API for production workflows

Use ASN data for AS18900 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
195.166.124.0/24	AS18900	CQG, Inc.	CQG, Inc.	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:       18900
ASName:         CQG-INC
ASHandle:       AS18900
RegDate:        2000-10-24
Updated:        2026-06-02
Ref:            https://rdap.arin.net/registry/autnum/18900


OrgName:        CQG, Inc.
OrgId:          CQGINC-2
Address:        1050 17th Street
City:           Denver
StateProv:      CO
PostalCode:     80265
Country:        US
RegDate:        2000-08-31
Updated:        2026-06-02
Ref:            https://rdap.arin.net/registry/entity/CQGINC-2


OrgNOCHandle: KUGOT-ARIN
OrgNOCName:   Kugotov, Oleg 
OrgNOCPhone:  +1-312-385-2740 
OrgNOCEmail:  oleg@cqg.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/KUGOT-ARIN

OrgTechHandle: KUGOT-ARIN
OrgTechName:   Kugotov, Oleg 
OrgTechPhone:  +1-312-385-2740 
OrgTechEmail:  oleg@cqg.com
OrgTechRef:    https://rdap.arin.net/registry/entity/KUGOT-ARIN

OrgAbuseHandle: KUGOT-ARIN
OrgAbuseName:   Kugotov, Oleg 
OrgAbusePhone:  +1-312-385-2740 
OrgAbuseEmail:  oleg@cqg.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/KUGOT-ARIN

OrgTechHandle: JW1879-ARIN
OrgTechName:   Wood, Jeff 
OrgTechPhone:  +1-720-904-2900 
OrgTechEmail:  jw@cqg.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JW1879-ARIN

RAbuseHandle: KUGOT-ARIN
RAbuseName:   Kugotov, Oleg 
RAbusePhone:  +1-312-385-2740 
RAbuseEmail:  oleg@cqg.com
RAbuseRef:    https://rdap.arin.net/registry/entity/KUGOT-ARIN

RNOCHandle: KUGOT-ARIN
RNOCName:   Kugotov, Oleg 
RNOCPhone:  +1-312-385-2740 
RNOCEmail:  oleg@cqg.com
RNOCRef:    https://rdap.arin.net/registry/entity/KUGOT-ARIN

RTechHandle: JW1879-ARIN
RTechName:   Wood, Jeff 
RTechPhone:  +1-720-904-2900 
RTechEmail:  jw@cqg.com
RTechRef:    https://rdap.arin.net/registry/entity/JW1879-ARIN

RTechHandle: KUGOT-ARIN
RTechName:   Kugotov, Oleg 
RTechPhone:  +1-312-385-2740 
RTechEmail:  oleg@cqg.com
RTechRef:    https://rdap.arin.net/registry/entity/KUGOT-ARIN

RAbuseHandle: JW1879-ARIN
RAbuseName:   Wood, Jeff 
RAbusePhone:  +1-720-904-2900 
RAbuseEmail:  jw@cqg.com
RAbuseRef:    https://rdap.arin.net/registry/entity/JW1879-ARIN

RNOCHandle: JW1879-ARIN
RNOCName:   Wood, Jeff 
RNOCPhone:  +1-720-904-2900 
RNOCEmail:  jw@cqg.com
RNOCRef:    https://rdap.arin.net/registry/entity/JW1879-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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "18900",
    "as_handle" : "AS18900",
    "as_name" : "CQG-INC",
    "tech_contacts" : [ "KUGOT-ARIN", "JW1879-ARIN", "JW1879-ARIN", "KUGOT-ARIN" ],
    "abuse_contacts" : [ "KUGOT-ARIN", "KUGOT-ARIN", "JW1879-ARIN" ],
    "date_created" : "2000-10-24",
    "date_updated" : "2026-06-02",
    "source" : "https://rdap.arin.net/registry/autnum/18900"
  } ],
  "organization" : {
    "handle" : "CQGINC-2",
    "name" : "CQG, Inc.",
    "address" : [ "1050 17th Street", "Denver", "CO", "80265", "US" ],
    "street" : "17th Street",
    "city" : "Denver",
    "state" : "CO",
    "zip_code" : "80265",
    "country" : [ "US" ],
    "date_created" : "2000-08-31",
    "date_updated" : "2026-06-02",
    "source" : "https://rdap.arin.net/registry/entity/CQGINC-2",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "KUGOT-ARIN",
    "name" : "Kugotov, Oleg",
    "email" : [ "oleg@cqg.com" ],
    "phone" : [ "+1-312-385-2740" ],
    "source" : "https://rdap.arin.net/registry/entity/KUGOT-ARIN"
  }, {
    "handle" : "JW1879-ARIN",
    "name" : "Wood, Jeff",
    "email" : [ "jw@cqg.com" ],
    "phone" : [ "+1-720-904-2900" ],
    "source" : "https://rdap.arin.net/registry/entity/JW1879-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "KUGOT-ARIN",
    "name" : "Kugotov, Oleg",
    "email" : [ "oleg@cqg.com" ],
    "phone" : [ "+1-312-385-2740" ],
    "source" : "https://rdap.arin.net/registry/entity/KUGOT-ARIN"
  }, {
    "handle" : "JW1879-ARIN",
    "name" : "Wood, Jeff",
    "email" : [ "jw@cqg.com" ],
    "phone" : [ "+1-720-904-2900" ],
    "source" : "https://rdap.arin.net/registry/entity/JW1879-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS8220	COLT Technology Services Group Limited	GB
AS15830	Equinix (EMEA) Acquisition Enterprises B.V.	NL

Upstreams

AS Number	Description	Country
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS8220	COLT Technology Services Group Limited	GB