Ozan Yildiz trading as Sistemdc webhosting and server services
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 6 · 1,280 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a07:d840::/29) |
| Registered in | Turkey (4) · Ukraine (1) |
| Cluster ID | 213435827 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
4 weekly snapshots · JSON
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-07-13
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 5.56.30.0/24 | Ozan Yildiz trading as Sistemdc webhosting and server services | BGP | ANNOUNCED | ● high |
| 185.250.240.0/24 | Ozan Yildiz trading as Sistemdc webhosting and server services | BGP | ANNOUNCED | ● high |
| 185.250.242.0/24 | Ozan Yildiz trading as Sistemdc webhosting and server services | BGP | ANNOUNCED | ● high |
| 185.250.243.0/24 | Ozan Yildiz trading as Sistemdc webhosting and server services | BGP | ANNOUNCED | ● high |
| 185.250.240.0/22 | Ozan Yildiz trading as Sistemdc webhosting and server services | RIPE | ALLOCATED PA | ● low |
| 2a07:d840::/29 | Ozan Yildiz trading as Sistemdc webhosting and server services | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (1)
| CIDR |
|---|
| 2a07:d840::/29 |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
66.7%
of checked blocks have valid RPKI ROA coverage
(4 of 6)
Possible discrepancies (3)
These blocks are registered to Ozan Yildiz trading as Sistemdc webhosting and server services but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 185.250.240.0/24 /24 | authorized for AS48678 — Pentech Bilisim Teknolojileri Sanayi Ve Ticaret Limited Sirketi |
| 185.250.242.0/24 /24 | authorized for AS48678 — Pentech Bilisim Teknolojileri Sanayi Ve Ticaret Limited Sirketi |
| 185.250.243.0/24 /24 | authorized for AS48678 — Pentech Bilisim Teknolojileri Sanayi Ve Ticaret Limited Sirketi |
NIC Handles
AS211804
DUMY-RIPE
DUMY-RIPE
IPBNB-MNT
ORG-OYTA1-RIPE
RIPE-NCC-HM-MNT
netutils-mnt
tr-sistemdc-1-mnt
tr-sistemdc-1-mnt