CESKYBEZDRAT-CZ
Unresolved
Cluster stats
Netblocks11
All fragments 14 blocks across 4 clusters
Cluster ID192602568
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 4 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
11 0 netblocks since 2026-07-05
2026-07-05 peak 11 2026-07-06

IP Ranges (11)

⬇ export CSV
CIDR Org name Registry Status Confidence
81.0.255.136/29 CeskyBezdrat-CZ RIPE ASSIGNED PA ● low
84.19.64.0/25 CESKYBEZDRAT-CZ RIPE ASSIGNED PA ● low
84.19.64.128/25 CESKYBEZDRAT-CZ RIPE ASSIGNED PA ● low
84.19.65.0/24 CESKYBEZDRAT-CZ RIPE ASSIGNED PA ● low
84.19.66.0 – 84.19.69.255 CESKYBEZDRAT-CZ RIPE ASSIGNED PA ● low
84.19.70.0/24 CESKYBEZDRAT-CZ RIPE ASSIGNED PA ● low
84.19.72.0/23 CESKYBEZDRAT-CZ RIPE ASSIGNED PA ● low
84.19.76.0/22 CESKYBEZDRAT-CZ RIPE ASSIGNED PA ● low
84.19.80.0/24 CESKYBEZDRAT-CZ RIPE ASSIGNED PA ● low
84.19.82.0/24 CESKYBEZDRAT-CZ RIPE ASSIGNED PA ● low
84.19.95.0/24 CESKYBEZDRAT-CZ RIPE ASSIGNED PA ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (11 of 11)
Possible discrepancies (8)

These blocks are registered to CESKYBEZDRAT-CZ 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.

84.19.66.0 – 84.19.69.255 /22 authorized for AS33943 — Eri Internet s.r.o.
84.19.76.0/22 /22 authorized for AS33943 — Eri Internet s.r.o.
84.19.72.0/23 /23 authorized for AS33943 — Eri Internet s.r.o.
84.19.95.0/24 /24 authorized for AS33943 — Eri Internet s.r.o.
84.19.65.0/24 /24 authorized for AS33943 — Eri Internet s.r.o.
84.19.80.0/24 /24 authorized for AS33943 — Eri Internet s.r.o.
84.19.70.0/24 /24 authorized for AS33943 — Eri Internet s.r.o.
84.19.82.0/24 /24 authorized for AS33943 — Eri Internet s.r.o.

NIC Handles

CASABLANCA-RIPE-MNT DUMY-RIPE DUMY-RIPE JP1140-RIPE-MNT