Yaroslavl

YAROSLAVL-SYS
Data as of 2026-10-18
Registry
This organisation
Netblocks4 · 6,660 IPv4 addresses
Record ID250527465
RegistryRIPE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution Registry record
Shared handles clustered on 5 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 (4)

⬇ export CSV
CIDR Org name Registry Status Confidence
5.143.232.0 – 5.143.255.255 Yaroslavl RIPE SUB-ALLOCATED PA ● low
79.175.19.0/24 Yaroslavl-Network RIPE ASSIGNED PA ● low
79.175.31.0/24 YAROSLAVL-NETWORK RIPE ASSIGNED PA ● low
84.204.138.164/30 YAROSLAVL-SYS RIPE ASSIGNED PA ● low

Other domains hosted in this network

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Network trust

what's this?
RPKI hygiene: C how networks compare →
50.0% of checked blocks have valid RPKI ROA coverage (2 of 4)
Possible discrepancies (1)

These blocks are registered to YAROSLAVL-SYS 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.

5.143.232.0 – 5.143.255.255 /19 authorized for AS12389 — PJSC Rostelecom

NIC Handles

DUMY-RIPE DUMY-RIPE PSTAR-MNT QUANTUM-RIPE-MNT ROSTELECOM-MNT