ASN AS8001 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS8001?

AS8001 is listed under Cologix, 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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS8001 Cologix, Inc | IPGeolocation.io

ASN Lookup Tool

Cologix, Inc cologix.com

US 52 Routes

AS Data

AS8001

AS8001 – Cologix, Inc

AS Number	8001
AS Name	COLOGIX
Organization	Cologix, Inc (colog-8-z)
Country	US
Website	cologix.com
Number of IPv4 Routes	47
Number of IPv6 Routes	5
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1996-08-22

ASN Intelligence API for production workflows

Use ASN data for AS8001 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
209.123.4.0/24	AS8001	Cologix, Inc	Cologix, Inc	256
64.21.160.0/20	AS8001	Cologix, Inc	Cologix, Inc	4096
216.118.64.0/18	AS8001	Cologix, Inc	Cologix, Inc	16384
2001:518:9000::/36	AS8001	Cologix, Inc	Cologix, Inc	~5×10²⁷
2001:518::/32	AS8001	Cologix, Inc	Cologix, Inc	~79×10²⁷
209.123.35.0/24	AS8001	Cologix, Inc	Cologix, Inc	256
209.123.0.0/16	AS8001	Cologix, Inc	Cologix, Inc	65536
216.69.195.0/24	AS8001	Cologix, Inc	NetWalk	256
216.69.212.0/24	AS8001	Cologix, Inc	NetWalk	256
198.102.79.0/24	AS8001	Cologix, Inc	Virtual Care Provider, 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:       8001
ASName:         COLOGIX
ASHandle:       AS8001
RegDate:        1996-08-22
Updated:        2022-04-20
Ref:            https://rdap.arin.net/registry/autnum/8001


OrgName:        Cologix, Inc
OrgId:          COLOG-8-Z
Address:        1601 19th Street
Address:        Suite 650
City:           Denver
StateProv:      CO
PostalCode:     80202
Country:        US
RegDate:        2022-02-03
Updated:        2025-05-07
Ref:            https://rdap.arin.net/registry/entity/COLOG-8-Z


OrgNOCHandle: NETWO9665-ARIN
OrgNOCName:   Network Engineering
OrgNOCPhone:  +1-844-449-4357 
OrgNOCEmail:  noc@cologix.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO9665-ARIN

OrgAbuseHandle: ABUSE5526-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-720-230-7000 
OrgAbuseEmail:  abuse@cologix.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5526-ARIN

OrgTechHandle: BECKJ20-ARIN
OrgTechName:   Beck, Josh 
OrgTechPhone:  +1-855-449-4357 
OrgTechEmail:  josh.beck@cologix.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BECKJ20-ARIN

OrgTechHandle: JOBAY1-ARIN
OrgTechName:   Jobay, Mike 
OrgTechPhone:  +1-973-590-5177 
OrgTechEmail:  mike.jobay@cologix.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JOBAY1-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" : "8001",
    "as_handle" : "AS8001",
    "as_name" : "COLOGIX",
    "tech_contacts" : [ "BECKJ20-ARIN", "JOBAY1-ARIN" ],
    "abuse_contacts" : [ "ABUSE5526-ARIN" ],
    "date_created" : "1996-08-22",
    "date_updated" : "2022-04-20",
    "source" : "https://rdap.arin.net/registry/autnum/8001"
  } ],
  "organization" : {
    "handle" : "COLOG-8-Z",
    "name" : "Cologix, Inc",
    "address" : [ "1601 19th Street", "Suite 650", "Denver", "CO", "80202", "US" ],
    "street" : "19th Street",
    "city" : "Denver",
    "state" : "CO",
    "zip_code" : "80202",
    "country" : [ "US" ],
    "date_created" : "2022-02-03",
    "date_updated" : "2025-05-07",
    "source" : "https://rdap.arin.net/registry/entity/COLOG-8-Z",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "BECKJ20-ARIN",
    "name" : "Beck, Josh",
    "email" : [ "josh.beck@cologix.com" ],
    "phone" : [ "+1-855-449-4357" ],
    "source" : "https://rdap.arin.net/registry/entity/BECKJ20-ARIN"
  }, {
    "handle" : "JOBAY1-ARIN",
    "name" : "Jobay, Mike",
    "email" : [ "mike.jobay@cologix.com" ],
    "phone" : [ "+1-973-590-5177" ],
    "source" : "https://rdap.arin.net/registry/entity/JOBAY1-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE5526-ARIN",
    "name" : "Abuse",
    "email" : [ "abuse@cologix.com" ],
    "phone" : [ "+1-720-230-7000" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE5526-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS33358	AE CORPORATE SERVICES CO	US
AS46472	RESERVED	ZZ
AS18637	Cloudli Communications Corp.	CA
AS6939	Hurricane Electric LLC	US
AS8359	MTS PJSC	RU
AS63157	DSW Information Technology LLC.	US
AS31133	PJSC MegaFon	RU
AS14537	Continent 8 LLC	US
AS22345	Solix, Inc.	US
AS4230	CLARO S.A.	BR

Upstreams

AS Number	Description	Country
AS14840	BR.Digital Telecom	BR
AS9002	RETN Limited	GB
AS25091	IP Max SA	CH
AS6939	Hurricane Electric LLC	US
AS8359	MTS PJSC	RU
AS64289	Macarne.com	US
AS174	Cogent Communications, LLC	US
AS13030	Init7 Switzerland Ltd.	CH
AS971	PureVoltage Hosting Inc.	US
AS2516	KDDI CORPORATION	JP

Downstreams

AS Number	Description	Country
AS33358	AE CORPORATE SERVICES CO	US
AS32746	Computer Design & Integration LLC	US
AS26830	OPERS	US
AS3599	CDW Technologies LLC	US
AS46472	IANA - Autonomous System Number	ZZ
AS18637	Cloudli Communications Corp.	CA
AS40715	Cologix, Inc	US
AS30138	Artech Information Systems LLC	US
AS63157	DSW Information Technology LLC.	US
AS48582	ngena GmbH	DE