Autonomous system
AS55819 CAMPAIGNMONITOR-AS-GLOBAL CAMPAIGN MONITOR PTY LTD
Hosting APNIC Content
Summary
Campaign Monitor
email marketing business australia
CAMPAIGNMONITOR-AS-GLOBAL is held by Campaign Monitor Pty Ltd.
What it's used for
- The address space carries outbound email infrastructure, evidenced by reverse DNS entries such as
mx254.g.outbound.createsend.comandcmail17.com. - The AS announces 6400 IPv4 addresses across 11 prefixes and 1 IPv6 prefix, with only 3 observed neighbours, indicating a dedicated corporate network rather than a transit or access provider.
- Traffic from this AS consists of bulk email delivery and marketing campaign services for the company's SaaS platform.
Notable
- All registrants for the announced prefixes are
CAMPAIGN MONITOR PTY LTD, matching the AS holder. - The address inventory is finely subdivided into multiple /24 and /23 blocks, consistent with an internal corporate estate segmented by function or site.
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
Recorded at 1 exchange in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| Equinix Internet Exchange San Jose (Bay Area) | San Jose, United States | 206.223.116.109 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-30, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 11 prefixes · 6.40K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| AU | Australia | 12 |
Registry
Allocation record
- Registry
- APNIC
- Handle
AS55819- Registry name
- CAMPAIGNMONITOR-AS-GLOBAL
- Registrant
- CAMPAIGN MONITOR PTY LTD
- Abuse contact
- abuse@campaignmonitor.com
- Registered
- 2010-10-18
- Last changed
- 2020-10-21
- Allocation
- allocated
Declared
PeeringDB profile
- Name
- Campaign Monitor (55819)
- Also known as
- 133873
- Network type
- Content
- Scope
- Global
- Traffic ratio
- Balanced
- Peering policy
- Selective
- IRR as-set
AS-CAMPAIGNMONITOR- Present at
- 1 exchanges
- Website
- https://www.campaignmonitor.com
PeeringDB records are maintained by the network operator and are not independently verified. Treat them as a statement of intent rather than of fact. For the observed and recorded view, see peering, which lists the exchanges Packet Clearing House has a port on file for.
Routing security
RPKI and IRR
- RPKI
- 0% valid · 0 valid, 17 with no ROA
- ROAs
- 1 authorising AS55819
- ASPA
- no ASPA record
- IRR
- 100% registered · 17 of 17 announcements
- Route objects
- 17 naming AS55819
Reputation
Classification and threat
Hosting Datacenter or cloud provider. Addresses are servers, not people.
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 1,849 prefixes, as published 2026-10-30. 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