Autonomous system
AS54183 PEER39-ASN
Hosting ARIN Content
Summary
Peer39
adtech business content us
PEER39-ASN is held by Peer39 Inc.
What it's used for
- The address space carries a mix of netnames:
PEER39-NETfor the largest block andCOGENT-AorCOGENT-154-57-16for the remaining prefixes, indicating a combination of owned and leased infrastructure. - The AS announces 2816 IPv4 addresses across 5 prefixes while maintaining only 2 observed neighbours, a ratio that suggests a focused business network rather than a large-scale transit or access provider.
- As a programmatic advertising and contextual data company, traffic from this AS consists of web and API endpoints supporting its ad-tech services.
Notable
- Registrants do not fully agree with the announcer;
Peer39 Incis listed for204.15.208.0/22, whileCogent Communications, LLCis the registrant for38.76.28.0/23,38.98.16.0/23,154.57.156.0/23, and38.143.100.0/24. - The inventory is composed of five distinct IPv4 prefixes with no IPv6 prefixes in the inventory.
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 4 exchanges in 2 countries, largest first.
| Exchange | Location | Their address |
|---|---|---|
| AMS-IX Amsterdam | Amsterdam, Netherlands | 80.249.209.93 |
| Coresite - Any2 West | Los Angeles, United States | 206.72.211.36 |
| Any2 California | Los Angeles, United States | 206.72.211.36 |
| Equinix Internet Exchange New York | New York, United States | 198.32.118.250 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-19, 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 · 2.82K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 5 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS54183- Registry name
- PEER39-ASN
- Registrant
- Peer39 Inc
- Abuse contact
- ipadmin@peer39.com
- Registered
- 2011-10-28
- Last changed
- 2012-03-02
- Allocation
- assigned
Declared
PeeringDB profile
- Name
- Peer39
- Network type
- Content
- Scope
- Global
- Traffic ratio
- Balanced
- Peering policy
- Selective
- Present at
- 3 exchanges
- Website
- http://peer39.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, 15 with no ROA
- ROAs
- 0 authorising AS54183
- ASPA
- no ASPA record
- IRR
- 0% registered · 0 of 15 announcements 1 other origin
- Route objects
- 0 naming AS54183
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: 442 networks and 1,778 prefixes, as published 2026-10-20. 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