RSD-CZ

BGP inherited
Cluster stats
Netblocks9 · 313 IPv4 addresses
Cluster ID209400858
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
9 0 netblocks since 2026-07-05
2026-07-05 peak 9 2026-07-19

IP Ranges (9)

⬇ export CSV
CIDR Org name Registry Status Confidence
193.85.21.0/24 RSD-CZ RIPE ASSIGNED PA ● low
193.85.180.72/29 RSD-CZ RIPE ASSIGNED PA ● low
193.179.12.52/30 RSD-CZ RIPE ASSIGNED PA ● low
193.179.12.56/30 RSD-CZ RIPE ASSIGNED PA ● low
194.213.207.160/28 RSD-CZ RIPE ASSIGNED PA ● low
195.39.97.112/28 RSD-CZ RIPE ASSIGNED PA ● low
212.47.2.144/28 RSD-CZ RIPE ASSIGNED PA ● low
2001:af0:8002:30e::/64 RSD-CZ RIPE ASSIGNED ● low
2001:af0:8002:30f::/64 RSD-CZ RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (9 of 9)
Possible discrepancies (1)

These blocks are registered to RSD-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.

193.85.21.0/24 /24 authorized for AS13036 — T-Mobile Czech Republic a.s.

NIC Handles

DUMY-RIPE DUMY-RIPE GTSCZ-MNT