AS40444 Constant Contact, Inc

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	205.207.104.0/23	Constant Contact, Inc		205.207.104.0/22	ARIN
	205.207.104.0/24	Constant Contact, Inc		205.207.104.0/22	ARIN
	205.207.105.0/24	Constant Contact, Inc		205.207.104.0/22	ARIN
	205.207.106.0/24	Constant Contact, Inc		205.207.104.0/22	ARIN
	205.207.106.0/23	Constant Contact, Inc		205.207.104.0/22	ARIN
	205.207.107.0/24	Constant Contact, Inc		205.207.104.0/22	ARIN
	208.75.120.0/23	Constant Contact, Inc		208.75.120.0/22	ARIN
	208.75.122.0/23	Constant Contact, Inc		208.75.120.0/22	ARIN
	208.75.122.0/24	Constant Contact, Inc		208.75.120.0/22	ARIN
	208.75.123.0/24	Constant Contact, Inc		208.75.120.0/22	ARIN
	216.21.230.0/24	Constant Contact, Inc		216.21.224.0/20	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS46887	CROWNCASTLE-AS46887	Crown Castle Fiber LLC
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS398427	MARKLEY-NETWORK-SERVICES	Markley Network Services, LLC
	AS13335	CLOUDFLARENET	Cloudflare, Inc.
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS33652	CMCS	Comcast Cable Communications, LLC

• IPv4 Upstreams

Country	ASN	Name	Description
	AS13335	CLOUDFLARENET	Cloudflare, Inc.
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS398427	MARKLEY-NETWORK-SERVICES	Markley Network Services, LLC
	AS33652	CMCS	Comcast Cable Communications, LLC
	AS46887	CROWNCASTLE-AS46887	Crown Castle Fiber LLC
	AS6461	ZAYO-6461	Zayo Bandwidth

IPv4 Upstream Graph

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IPv4 Upstream Graph

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#
# 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 1997-2025, 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

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

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


#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#