Istanbul Metropolitan Municipality
Cluster stats
| Netblocks | 23 |
| All fragments | 135 blocks across 47 clusters |
| Cluster ID | 191619490 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 23 shared RIR contact/maintainer handles |
| Registry names | 6 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (23)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 51.38.96.0/29 | Istanbul PBS | RIPE | LEGACY | ● high |
| 160.75.0.0/16 | Istanbul Teknik Universitesi | BGP | ANNOUNCED | ● high |
| 160.75.0.0/16 | Istanbul Teknik Universitesi | RIPE | LEGACY | ● high |
| 161.9.0.0/16 | Istanbul Teknik Universitesi | RIPE | LEGACY | ● high |
| 161.9.0.0/17 | Istanbul Teknik Universitesi | BGP | ANNOUNCED | ● high |
| 185.68.221.0/24 | Istanbul Metropolitan Municipality | BGP | ANNOUNCED | ● high |
| 185.68.222.0/23 | Istanbul Metropolitan Municipality | BGP | ANNOUNCED | ● high |
| 185.68.222.0/24 | Istanbul Metropolitan Municipality | BGP | ANNOUNCED | ● high |
| 185.68.223.0/24 | Istanbul Metropolitan Municipality | BGP | ANNOUNCED | ● high |
| 2001:a98:8000::/48 | Istanbul Teknik Universitesi | BGP | ANNOUNCED | ● high |
| 176.53.18.0/24 | ISTANBUL-DC | RIPE | ASSIGNED PA | ● low |
| 176.53.21.0/24 | ISTANBUL-DC | RIPE | ASSIGNED PA | ● low |
| 176.53.22.0/24 | ISTANBUL-DC | RIPE | ASSIGNED PA | ● low |
| 176.53.25.0/24 | ISTANBUL-DC | RIPE | ASSIGNED PA | ● low |
| 176.53.27.0/24 | ISTANBUL-DC | RIPE | ASSIGNED PA | ● low |
| 176.53.28.0/24 | ISTANBUL-DC | RIPE | ASSIGNED PA | ● low |
| 176.53.29.0/24 | ISTANBUL-DC | RIPE | ASSIGNED PA | ● low |
| 176.53.30.0/24 | ISTANBUL-DC | RIPE | ASSIGNED PA | ● low |
| 178.211.44.0/24 | ISTANBUL-DC | RIPE | ASSIGNED PA | ● low |
| 178.211.46.0/24 | ISTANBUL-DC | RIPE | ASSIGNED PA | ● low |
| 178.211.47.0/24 | ISTANBUL-DC | RIPE | ASSIGNED PA | ● low |
| 185.68.220.0/22 | Istanbul Metropolitan Municipality | RIPE | ALLOCATED PA | ● low |
| 2a05:1d80::/29 | Istanbul Metropolitan Municipality | RIPE | ALLOCATED-BY-RIR | ● low |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
87.0%
of checked blocks have valid RPKI ROA coverage
(20 of 23)
Possible discrepancies (12)
These blocks are registered to Istanbul Metropolitan Municipality but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 185.68.222.0/23 /23 | authorized for AS9121 — Turk Telekomunikasyon Anonim Sirketi |
| 176.53.28.0/24 /24 | authorized for AS197328 — GEOCOM LLC |
| 176.53.29.0/24 /24 | authorized for AS197328 — GEOCOM LLC |
| 176.53.18.0/24 /24 | authorized for AS197328 — GEOCOM LLC |
| 176.53.21.0/24 /24 | authorized for AS197328 — GEOCOM LLC |
| 176.53.22.0/24 /24 | authorized for AS197328 — GEOCOM LLC |
| 176.53.25.0/24 /24 | authorized for AS197328 — GEOCOM LLC |
| 176.53.27.0/24 /24 | authorized for AS197328 — GEOCOM LLC |
| 176.53.30.0/24 /24 | authorized for AS197328 — GEOCOM LLC |
| 178.211.44.0/24 /24 | authorized for AS197328 — GEOCOM LLC |
| 178.211.46.0/24 /24 | authorized for AS197328 — GEOCOM LLC |
| 178.211.47.0/24 /24 | authorized for AS197328 — GEOCOM LLC |
NIC Handles
AS12777-MNT
AS201618
AS42926-MNT
AS9095
DUMY-RIPE
DUMY-RIPE
ERX-NET-160-75-MNT
IBB34-MNT
IBB34-MNT
ISTANBULDC-MNT
ITU-MNT
ITU-MNT
+11 more