O2 Czech Republic, a.s.

ORG-STaN1-RIPE
BGP inherited
Cluster stats
Netblocks3,255
All fragments 904,731 blocks across 3,357 clusters
Cluster ID208778154
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

4 weekly snapshots · JSON
3,255 0 netblocks since 2026-07-05
2026-07-05 peak 3,255 2026-07-13

IP Ranges (3,255)

showing 50 of 3,255 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)
CIDR Org name Registry Status Confidence
2a02:258e:f000::/36 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a02:258f::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a03:1600:7000::/36 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a03:7a00:200::/40 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a03:a820::/36 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a07:cc81::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
2a0c:8b40::/32 UNKNOWN RIPE AGGREGATED-BY-LIR ● high
78.41.10.64/26 UNKNOWN RIPE ASSIGNED PA ● medium
78.41.10.128/25 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.4.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.5.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.6.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.7.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.8.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.9.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.25.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.32.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.66.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.67.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.68.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.69.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.70.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.71.0 – 80.188.74.255 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.83.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.84.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.85.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.86.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.87.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.88.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.92.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.97.0 – 80.188.103.255 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.104.0/22 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.108.0/23 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.110.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.111.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.112.0/22 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.116.0/23 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.131.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.132.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.133.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.134.0/23 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.136.0/23 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.138.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.139.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.140.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.141.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.142.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.143.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.144.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
80.188.145.0/24 UNKNOWN RIPE ASSIGNED PA ● medium

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (2,000 of 2,000, sampled from 3,255)
No discrepancies found among checked blocks.

NIC Handles

AS5610-MTN DUMY-RIPE DUMY-RIPE KTVTRINEC-MNT MNET-IP-MNT MNT-IPB MNT-RIOMEDIA mcnetcz-mnt mnt-nordictelecom