Autonomous system
AS9000 ESER-ASN
Unclassified RIPE
Summary
Eser Telekom Sanayi ve Ticaret A.S.
enterprise isp legacy
ESER-ASN is Eser Telekom Sanayi ve Ticaret A.S., a Turkish telecommunications company (head office in Ankara) that provides connectivity and satellite-based internet infrastructure for projects and organisations.
What it's used for
Business connectivity and project-oriented internet services. It announces ~3k addresses concentrated in the 212.50.32.0–212.50.61.0 range plus one outlier /24, with only ~3 observed neighbours, the footprint of a small provider serving its own customers rather than a large eyeball or transit network.
Notable
No PTRs were returned on the addresses sampled, so the space cannot be characterised as eyeball vs. server from reverse DNS alone. The contiguous 212.50/x blocks and 2000 first-seen date point to a long-held legacy allocation.
Interesting
The company markets satellite and infrastructure connectivity for institutional projects across Turkey, which fits the small, business-oriented address footprint better than a mass-market ISP would.
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 2026-10-14, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 6 prefixes · 3.07K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| TR | Turkey | 6 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS9000- Registry name
- ESER-ASN
- Registrant
- ESER-MNT
- Abuse contact
- abuse@esertelekom.com
- Registered
- 2002-09-05
- Last changed
- 2025-01-15
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 12 valid, 0 with no ROA
- ROAs
- 14 authorising AS9000
- ASPA
- no ASPA record
- IRR
- 100% registered · 12 of 12 announcements
- Route objects
- 35 naming AS9000
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: 442 networks and 1,773 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