What is ASN AS397142?

ASN AS397142 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS397142?

AS397142 is listed under City of Fort Collins.

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.

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AS397142 City of Fort Collins

ASN Lookup Tool

City of Fort Collins fcgov.com

US 23 Routes

AS Data

AS397142

AS397142 – City of Fort Collins

AS Number	397142
AS Name	FORT-COLLINS-CONNEXION
Organization	City of Fort Collins(cfc)
Country	US
Website	fcgov.com
Number of IPv4 Routes	13
Number of IPv6 Routes	10
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2018-10-30

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Use ASN data for AS397142 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2605:b40:1400::/40	AS397142	City of Fort Collins	City of Fort Collins	~309×10²⁴
23.163.32.0/24	AS397142	City of Fort Collins	City of Fort Collins	256
2605:b40:1300::/40	AS397142	City of Fort Collins	City of Fort Collins	~309×10²⁴
38.147.232.0/21	AS397142	City of Fort Collins	City of Fort Collins	2048
167.94.176.0/20	AS397142	City of Fort Collins	City of Fort Collins	4096
38.175.160.0/19	AS397142	City of Fort Collins	FORT COLLINS CONNEXION City of Fort Collins	8192
2605:b40:1100::/40	AS397142	City of Fort Collins	City of Fort Collins	~309×10²⁴
2605:b40:1200::/40	AS397142	City of Fort Collins	City of Fort Collins	~309×10²⁴
198.99.80.0/22	AS397142	City of Fort Collins	City of Fort Collins	1024
38.15.32.0/19	AS397142	City of Fort Collins	FORT COLLINS CONNEXION City of Fort Collins	8192

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:       397142
ASName:         FORT-COLLINS-CONNEXION
ASHandle:       AS397142
RegDate:        2018-10-30
Updated:        2018-10-30    
Ref:            https://rdap.arin.net/registry/autnum/397142


OrgName:        City of Fort Collins
OrgId:          CFC
Address:        700 Wood St
City:           Fort Collins
StateProv:      CO
PostalCode:     80521
Country:        US
RegDate:        1992-12-03
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/CFC


OrgAbuseHandle: FCCADC-ARIN
OrgAbuseName:   Fort Collins Connexion Abuse and DMCA Compliance
OrgAbusePhone:  +1-970-207-7873 
OrgAbuseEmail:  abuse@fcconnexion.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/FCCADC-ARIN

OrgRoutingHandle: FCCNE-ARIN
OrgRoutingName:   Fort Collins Connexion Network Engineering
OrgRoutingPhone:  +1-970-207-7873 
OrgRoutingEmail:  neteng@fcgov.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/FCCNE-ARIN

OrgNOCHandle: FCCNE-ARIN
OrgNOCName:   Fort Collins Connexion Network Engineering
OrgNOCPhone:  +1-970-207-7873 
OrgNOCEmail:  neteng@fcgov.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/FCCNE-ARIN

OrgTechHandle: FCCNE-ARIN
OrgTechName:   Fort Collins Connexion Network Engineering
OrgTechPhone:  +1-970-207-7873 
OrgTechEmail:  neteng@fcgov.com
OrgTechRef:    https://rdap.arin.net/registry/entity/FCCNE-ARIN

OrgDNSHandle: FCCNE-ARIN
OrgDNSName:   Fort Collins Connexion Network Engineering
OrgDNSPhone:  +1-970-207-7873 
OrgDNSEmail:  neteng@fcgov.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/FCCNE-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
AS397377	Town of Estes Park	US
AS19637	Avago Technologies U.S. Inc.	US
AS6939	Hurricane Electric LLC	US
AS64289	Macarne.com	US
AS4474	TCT West, Inc.	US
AS174	Cogent Communications, LLC	US
AS393552	Longmont Power & Communications	US
AS36236	NetActuate, Inc	US
AS53597	Hoyos Consulting LLC	US
AS19754	The Fusion Network, LLC	US

Upstreams

AS Number	Description	Country
AS393552	Longmont Power & Communications	US
AS6939	Hurricane Electric LLC	US
AS174	Cogent Communications, LLC	US

Downstreams

AS Number	Description	Country
AS397377	Town of Estes Park	US
AS19637	Avago Technologies U.S. Inc.	US
AS393552	Longmont Power & Communications	US
AS394748	City of Fort Collins	US
AS19647	HP Inc.	US
AS394838	Pulse	US