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AS400945 Countryside Broadband LLC

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

Countryside Broadband LLC csbroadband.com

US 1 Routes

AS Data

AS400945

AS400945 – Countryside Broadband LLC

AS Number	400945
AS Name	CSB-ASN
Organization	Countryside Broadband LLC(cbl-173)
Country	US
Website	csbroadband.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2024-04-03

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Use ASN data for AS400945 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
63.133.219.0/24	AS400945	Countryside Broadband LLC	Countryside Broadband LLC	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:       400945
ASName:         CSB-ASN
ASHandle:       AS400945
RegDate:        2024-04-03
Updated:        2024-04-03    
Ref:            https://rdap.arin.net/registry/autnum/400945


OrgName:        Countryside Broadband LLC
OrgId:          CBL-173
Address:        170 Pleasure Hill rd
City:           North Franklin
StateProv:      CT
PostalCode:     06254
Country:        US
RegDate:        2024-03-06
Updated:        2024-03-13
Comment:        https://csbroadband.com
Comment:        Standard NOC hours are 9:00 AM to 4:00 PM EST
Ref:            https://rdap.arin.net/registry/entity/CBL-173


OrgTechHandle: BENJA128-ARIN
OrgTechName:   Benjamin, Jake 
OrgTechPhone:  +1-860-917-1030 
OrgTechEmail:  jake.benjamin@csbroadband.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BENJA128-ARIN

OrgNOCHandle: CSBNO-ARIN
OrgNOCName:   CSB NOC
OrgNOCPhone:  +1-860-917-1030 
OrgNOCEmail:  jake.benjamin@csbroadband.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/CSBNO-ARIN

OrgAbuseHandle: ADMIN8636-ARIN
OrgAbuseName:   ADMIN CSB 
OrgAbusePhone:  +1-860-917-1030 
OrgAbuseEmail:  jake.benjamin@csbroadband.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ADMIN8636-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
AS400212	VergeTel Group LLC	US

Upstreams

AS Number	Description	Country
AS400212	VergeTel Group LLC	US

Frequently Asked Questions

What is ASN AS400945?

ASN AS400945 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400945?

AS400945 is listed under Countryside Broadband LLC.

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.