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AS400448 Town of Castle Rock | IPGeolocation.io

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

Town of Castle Rock crgov.com

US 1 Routes

AS Data

AS400448

AS400448 – Town of Castle Rock

AS Number	400448
AS Name	TOCR-EDGE
Organization	Town of Castle Rock(tcr-144)
Country	US
Website	crgov.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2022-02-11

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Use ASN data for AS400448 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
66.59.221.0/24	AS400448	Town of Castle Rock	Town of Castle Rock	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:       400448
ASName:         TOCR-EDGE
ASHandle:       AS400448
RegDate:        2022-02-11
Updated:        2022-02-11    
Ref:            https://rdap.arin.net/registry/autnum/400448


OrgName:        Town of Castle Rock
OrgId:          TCR-144
Address:        100 N. Wilcox St
City:           CASTLE ROCK
StateProv:      CO
PostalCode:     80104
Country:        US
RegDate:        2021-10-28
Updated:        2021-10-28
Ref:            https://rdap.arin.net/registry/entity/TCR-144


OrgAbuseHandle: NETWO9555-ARIN
OrgAbuseName:   Network Team
OrgAbusePhone:  +1-720-733-3594 
OrgAbuseEmail:  networkinfrastructure@crgov.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO9555-ARIN

OrgTechHandle: NETWO9555-ARIN
OrgTechName:   Network Team
OrgTechPhone:  +1-720-733-3594 
OrgTechEmail:  networkinfrastructure@crgov.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO9555-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
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS3356	Level 3 Parent, LLC	US
AS33652	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS33652	Comcast Cable Communications, LLC	US

Frequently Asked Questions

What is ASN AS400448?

ASN AS400448 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400448?

AS400448 is listed under Town of Castle Rock.

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.