ASN AS40444 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS40444?

AS40444 is listed under Constant Contact, 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.

AS40444 Constant Contact, Inc

ASN Lookup Tool

Constant Contact, Inc constantcontact.com

US 6 Routes

AS Data

AS40444

AS40444 – Constant Contact, Inc

AS Number	40444
AS Name	ASN-CC
Organization	Constant Contact, Inc(const-21)
Country	US
Website	constantcontact.com
Number of IPv4 Routes	6
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2007-02-21

ASN Intelligence API for production workflows

Use ASN data for AS40444 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
208.75.122.0/23	AS40444	Constant Contact, Inc	Constant Contact, Inc	512
205.207.104.0/24	AS40444	Constant Contact, Inc	Constant Contact, Inc	256
205.207.104.0/23	AS40444	Constant Contact, Inc	Constant Contact, Inc	512
208.75.120.0/23	AS40444	Constant Contact, Inc	Constant Contact, Inc	512
205.207.106.0/23	AS40444	Constant Contact, Inc	Constant Contact, Inc	512
216.21.230.0/24	AS40444	Constant Contact, Inc	Constant Contact, 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:       40444
ASName:         ASN-CC
ASHandle:       AS40444
RegDate:        2007-02-21
Updated:        2007-02-21    
Ref:            https://rdap.arin.net/registry/autnum/40444


OrgName:        Constant Contact, Inc
OrgId:          CONST-21
Address:        1601 Trapelo Road
Address:        Suite 329
City:           Waltham
StateProv:      MA
PostalCode:     02451
Country:        US
RegDate:        2006-12-19
Updated:        2008-07-03
Ref:            https://rdap.arin.net/registry/entity/CONST-21


OrgAbuseHandle: ABUSE1897-ARIN
OrgAbuseName:   Constant Contact Abuse
OrgAbusePhone:  +1-781-472-8103 
OrgAbuseEmail:  abuse@constantcontact.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1897-ARIN

OrgTechHandle: CCO156-ARIN
OrgTechName:   Constant Contact Operations
OrgTechPhone:  +1-781-472-8103 
OrgTechEmail:  aladkani@constantcontact.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CCO156-ARIN

OrgNOCHandle: CCO156-ARIN
OrgNOCName:   Constant Contact Operations
OrgNOCPhone:  +1-781-472-8103 
OrgNOCEmail:  aladkani@constantcontact.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/CCO156-ARIN

RTechHandle: CCO156-ARIN
RTechName:   Constant Contact Operations
RTechPhone:  +1-781-472-8103 
RTechEmail:  aladkani@constantcontact.com
RTechRef:    https://rdap.arin.net/registry/entity/CCO156-ARIN

RNOCHandle: CCO156-ARIN
RNOCName:   Constant Contact Operations
RNOCPhone:  +1-781-472-8103 
RNOCEmail:  aladkani@constantcontact.com
RNOCRef:    https://rdap.arin.net/registry/entity/CCO156-ARIN

RAbuseHandle: CCO156-ARIN
RAbuseName:   Constant Contact Operations
RAbusePhone:  +1-781-472-8103 
RAbuseEmail:  aladkani@constantcontact.com
RAbuseRef:    https://rdap.arin.net/registry/entity/CCO156-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
AS46887	Crown Castle Fiber LLC	US
AS398427	Markley Network Services, LLC	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS33652	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS398427	Markley Network Services, LLC	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS33652	Comcast Cable Communications, LLC	US