Autonomous system
AS40444 ASN-CC
Unclassified ARIN
Summary
Constant Contact
business marketing saas corporate
ASN-CC is operated by Constant Contact, Inc.
What it's used for
- The address space carries corporate infrastructure, evidenced by netnames
NET-CTCT1,NET-CC1, andCONST-21, all registered to Constant Contact entities. - The AS announces 2304 IPv4 addresses across 3 prefixes with 5 observed neighbours, indicating a small, self-contained corporate estate rather than a transit or access network.
- Traffic consists of internal corporate endpoints and web/API services for the company's email marketing platform, supporting its business operations and customer-facing applications.
Notable
- Registrants for all announced prefixes align with the announcer, listing Constant Contact, Inc, Constant Contact Operations, and Constant Contact Abuse.
- The address inventory is finely subdivided into three distinct blocks, reflecting site-by-site segmentation typical of an internal corporate network.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-28, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 3 prefixes · 2.30K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 3 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS40444- Registry name
- ASN-CC
- Registrant
- Constant Contact, Inc
- Abuse contact
- abuse@constantcontact.com
- Registered
- 2007-02-21
- Last changed
- 2007-02-21
- Allocation
- assigned
Routing security
RPKI and IRR
- RPKI
- 0% valid · 0 valid, 6 with no ROA
- ROAs
- 0 authorising AS40444
- ASPA
- no ASPA record
- IRR
- 83% registered · 5 of 6 announcements 1 other origin
- Route objects
- 8 naming AS40444
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 448 networks and 1,851 prefixes, as published 2026-10-29. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere