Sergey Ryzhkov
Cluster stats
Netblocks10
All fragments 264 blocks across 66 clusters
Cluster ID191696984
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 6 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (10)

⬇ export CSV
CIDR Org name Registry Status Confidence
2a0d:d940:50::/46 Sergey Ryzhkov RIPE ASSIGNED ● low
2a0d:d940:50::/44 Sergey Ryzhkov RIPE ALLOCATED-BY-LIR ● low
2a0d:d940:54::/46 Sergey Ryzhkov RIPE ASSIGNED ● low
2a0d:d940:58::/46 Sergey Ryzhkov RIPE ASSIGNED ● low
2a0d:d940:5c::/48 Sergey Ryzhkov RIPE ASSIGNED ● low
2a0d:d940:5d::/48 Sergey Ryzhkov RIPE ASSIGNED ● low
2a0d:d940:5e::/48 Sergey Ryzhkov RIPE ASSIGNED ● low
2a14:7583:e300::/40 Sergey Ryzhkov RIPE ALLOCATED-BY-LIR ● low
2a14:7583:e300::/48 Sergey Ryzhkov RIPE ASSIGNED ● low
2a14:7583:e304::/46 Sergey Ryzhkov RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
50.0% of checked blocks have valid RPKI ROA coverage (5 of 10)
Possible discrepancies (5)

These blocks are registered to Sergey Ryzhkov 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.

2a0d:d940:50::/46 /46 authorized for AS200993 — Yanislav Basiuk
2a14:7583:e304::/46 /46 authorized for AS199133 — Yanislav Basiuk
2a0d:d940:5e::/48 /48 authorized for AS199133 — Yanislav Basiuk
2a0d:d940:5c::/48 /48 authorized for AS11967 — Hop179 OU
2a0d:d940:5d::/48 /48 authorized for AS11967 — Hop179 OU

NIC Handles

DUMY-RIPE DUMY-RIPE NoPKT-MNT ORG-SR287-RIPE RIT-ECODE-MNT SR-CLOUD-2-MNT