Istanbul Metropolitan Municipality

Data as of 2026-09-20
BGP inherited
This organisation
Netblocks11 · 2,056 IPv4 addresses
IPv6 1 prefix (largest 2a05:1d80::/29)
Registered in Turkey (9) · France (1)
Record ID242108153
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 12 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (11)

⬇ export CSV
CIDR Org name Registry Status Confidence
51.38.96.0/29 Istanbul PBS RIPE LEGACY ● 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
176.53.22.0/24 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

IPv6 ranges (1)

Footprint over time

13 weekly snapshots · JSON
11 -12 netblocks since 2026-07-05
2026-07-05 peak 23 2026-09-20

Other domains hosted in this network

what's this?

Network trust

what's this?
RPKI hygiene: B how networks compare →
81.8% of checked blocks have valid RPKI ROA coverage (9 of 11)
Possible discrepancies (5)

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
176.53.22.0/24 /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

AS201618 AS42926-MNT DUMY-RIPE DUMY-RIPE IBB34-MNT IBB34-MNT ISTANBULDC-MNT ORG-IMM3-RIPE ORG-IP116-RIPE OVH-MNT RIPE-NCC-HM-MNT SAYFA-NET-MNT