Autonomous system
AS15447 AS-CM
Hosting RIPE Content
Summary
CM.com
telecom hosting business infrastructure
Every answering address is a mail sender, named and grouped on purpose.
What it's used for
- A business messaging provider. Five IPv4 prefixes and one IPv6
/29announced from the Netherlands, five and a half thousand addresses, across one hundred and thirty-five observed BGP neighbours.
Notable
- All six answering addresses use one form: the word mail, two octets, and a subdomain for email under the company's own domain.
- Those addresses fall in the two blocks whose netname marks them as infrastructure rather than customer space.
- The company's registered name contains a dot, so the holder is spelled like a domain name.
- The other three netnames follow country code, company and allocation date, spread across many years.
- Fifteen addresses were queried for reverse DNS and six returned a name.
Interesting
- Naming mail senders explicitly is the opposite of a leak. Receiving systems check that an address resolves and resolves back, so a sender that publishes clear names gets its mail delivered.
- Keeping those senders inside blocks labelled as infrastructure separates them from everything else the company runs, which limits the damage when one address gets a bad reputation.
- One hundred and thirty-five neighbours is a lot of direct connections, and for a messaging business it is the product: reaching networks directly is what makes delivery reliable.
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 6 exchanges in 2 countries, largest first.
| Exchange | Location | Their address |
|---|---|---|
| DE-CIX Frankfurt | Frankfurt, Germany | 80.81.196.160 |
| AMS-IX Amsterdam | Amsterdam, Netherlands | 80.249.210.157 |
| Neutral Internet Exchange | Amsterdam, Netherlands | 193.239.118.10 |
| DE-CIX Dusseldorf | Düsseldorf, Germany | 185.1.170.205 |
| DE-CIX Munich | Munich, Germany | 185.1.208.190 |
| DE-CIX Hamburg | Hamburg, Germany | 185.1.210.183 |
Transit providers
26 upstream, 0 downstream and 40 adjacent networks observed; most-used upstreams first.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-13, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 5 prefixes · 5.63K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| NL | Netherlands | 6 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS15447- Registry name
- AS-CM
- Registrant
- CM_NOC
- Abuse contact
- abuse@cm.com
- Registered
- 2011-03-28
- Last changed
- 2022-11-25
- Allocation
- allocated
Declared
PeeringDB profile
- Name
- CM.com Netherlands B.V.
- Also known as
- CM.com
- Network type
- Content
- Scope
- Global
- Traffic ratio
- Balanced
- Peering policy
- Open
- IRR as-set
AS-CM- Present at
- 6 exchanges
- Facilities
- 8 facilities
- Website
- https://www.cm.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
- 100% valid · 14 valid, 0 with no ROA
- ROAs
- 40 authorising AS15447
- ASPA
- no ASPA record
- IRR
- 100% registered · 14 of 14 announcements
- Route objects
- 43 naming AS15447
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: 436 networks and 1,771 prefixes, as published 2026-10-13. 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