Autonomous system
AS211804 SISTEMDC
Unclassified RIPE
Summary
SistemDC
hosting datacenter dedicated gpu
The AS handle SISTEMDC is held by SistemDC, a Turkish provider of dedicated servers and data center services.
What it's used for
- The address space carries infrastructure for web hosting and server services, as indicated by the netname
TR-SISTEMDC-20180321and the registrant description "webhosting and server services". - The network announces 1024 IPv4 addresses within a single /22 prefix and one IPv6 /32 prefix, maintaining 2 observed neighbours, a ratio consistent with a hosting or data center operator rather than a transit provider.
- Traffic from this AS consists of dedicated server workloads, including GPU instances and general web hosting, originating from data centers in Ankara and Istanbul.
Notable
- The RDAP registrant
Ozan Yildiz trading as Sistemdc webhosting and server servicesaligns directly with the AS holder and the netnameTR-SISTEMDC-20180321. - The address inventory is compact, consisting of a single contiguous IPv4 block and a single IPv6 prefix, typical of a specialized hosting provider.
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 2026-10-29, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 1 prefixes · 1.02K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| TR | Turkey | 2 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS211804- Registry name
- SISTEMDC
- Registrant
- Ozan Yildiz trading as Sistemdc webhosting and server services
- Abuse contact
- abuse@sistemdc.com
- Registered
- 2021-02-15
- Last changed
- 2026-09-27
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 5 valid, 0 with no ROA
- ROAs
- 6 authorising AS211804
- ASPA
- no ASPA record
- IRR
- 100% registered · 5 of 5 announcements
- Route objects
- 7 naming AS211804
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 1,849 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