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More Specific Announcements

	Prefix	Description
	205.207.104.0/24	Constant Contact, Inc

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Upstreams

	ASN	Description
	AS398427	Markley Network Services, LLC

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Peers

	ASN	Description
	AS398427	Markley Network Services, LLC

NetHandle:      NET-205-207-104-0-1
OrgID:          CONST-21
Parent:         NET-205-0-0-0-0
NetName:        NET-CTCT1
NetRange:       205.207.104.0 - 205.207.107.255
NetType:        allocation
RegDate:        2008-12-02
Updated:        2021-12-14
TechHandle:     CCO156-ARIN
AbuseHandle:    ABUSE1897-ARIN
NOCHandle:      CCO156-ARIN
Source:         ARIN



OrgID:          CONST-21
OrgName:        Constant Contact, Inc
CanAllocate:    
Street:         1601 Trapelo Road
Street:         Suite 329
City:           Waltham
State/Prov:     MA
Country:        US
PostalCode:     02451
RegDate:        2006-12-19
Updated:        2008-07-03
OrgAdminHandle: CCO156-ARIN
OrgTechHandle:  CCO156-ARIN
OrgAbuseHandle: ABUSE1897-ARIN
OrgNOCHandle:   CCO156-ARIN
Source:         ARIN





OrgAdminHandle:       CCO156-ARIN
OrgAdminName:          Constant Contact Operations
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        CCO156-ARIN
OrgTechName:           Constant Contact Operations
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ABUSE1897-ARIN
OrgAbuseName:          Constant Contact Abuse
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         CCO156-ARIN
OrgNOCName:            Constant Contact Operations
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           CCO156-ARIN
TechName:              Constant Contact Operations
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          ABUSE1897-ARIN
AbuseName:             Constant Contact Abuse
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            CCO156-ARIN
NOCName:               Constant Contact Operations
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-04T03:24:57Z UTC

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IRR Databases

IRR	Expected ASN
radb	AS46887	Show Raw route: 205.207.104.0/23 descr: origin: AS46887 mnt-by: MAINT-AS27506 changed: robert.hinst@crowncastle.com 20250903 # 15:46 GMT source: RADB last-modified: 2025-09-03T15:46:48Z