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AS21631 Colorado Housing and Finance Authority

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

Colorado Housing and Finance Authority chfainfo.com

US 2 Routes

AS Data

AS21631

AS21631 – Colorado Housing and Finance Authority

AS Number	21631
AS Name	CHFA-COLORADO
Organization	Colorado Housing and Finance Authority(chfa-1)
Country	US
Website	chfainfo.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2013-10-28

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Use ASN data for AS21631 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
192.30.123.0/24	AS21631	Colorado Housing and Finance Authority	Colorado Housing and Finance Authority	256
71.4.66.0/24	AS21631	Colorado Housing and Finance Authority	Verizon Business	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:       21631
ASName:         CHFA-COLORADO
ASHandle:       AS21631
RegDate:        2013-10-28
Updated:        2013-10-28    
Ref:            https://rdap.arin.net/registry/autnum/21631


OrgName:        Colorado Housing and Finance Authority
OrgId:          CHFA-1
Address:        1981 Blake Street
City:           Denver
StateProv:      CO
PostalCode:     80202
Country:        US
RegDate:        2013-09-23
Updated:        2022-09-06
Ref:            https://rdap.arin.net/registry/entity/CHFA-1


OrgTechHandle: FUERS9-ARIN
OrgTechName:   Fuerst, Aaron 
OrgTechPhone:  +1-303-297-7307 
OrgTechEmail:  afuerst@chfainfo.com
OrgTechRef:    https://rdap.arin.net/registry/entity/FUERS9-ARIN

OrgAbuseHandle: FUERS9-ARIN
OrgAbuseName:   Fuerst, Aaron 
OrgAbusePhone:  +1-303-297-7307 
OrgAbuseEmail:  afuerst@chfainfo.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/FUERS9-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
AS29863	Latisys-Denver, LLC	US
AS29863	Latisys Denver, LLC	US

Upstreams

AS Number	Description	Country
AS29863	Latisys Denver, LLC	US

Frequently Asked Questions

What is ASN AS21631?

ASN AS21631 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21631?

AS21631 is listed under Colorado Housing and Finance Authority.

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.