CoProSys a.s.
Cluster stats
Netblocks128
All fragments 147 blocks across 13 clusters
Cluster ID191598516
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 7 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (128)

showing 50 of 128 — see all⬇ export CSV
CIDR Org name Registry Status Confidence
5.59.34.0/24 CoProSys a.s. BGP ANNOUNCED ● high
77.104.192.0/18 CoProSys a.s. BGP ANNOUNCED ● high
77.104.204.0/24 CoProSys a.s. BGP ANNOUNCED ● high
77.104.242.0/24 CoProSys a.s. BGP ANNOUNCED ● high
80.82.144.0/20 CoProSys a.s. BGP ANNOUNCED ● high
81.92.144.0/20 CoProSys a.s. BGP ANNOUNCED ● high
93.170.84.0/22 CoProSys a.s. BGP ANNOUNCED ● high
94.138.96.0/19 CoProSys a.s. BGP ANNOUNCED ● high
95.46.33.0/24 CoProSys a.s. BGP ANNOUNCED ● high
178.23.232.0/21 CoProSys a.s. BGP ANNOUNCED ● high
185.67.132.0/22 CoProSys a.s. BGP ANNOUNCED ● high
2001:678:e54::/48 CoProSys a.s. BGP ANNOUNCED ● high
2a02:da8::/32 CoProSys a.s. BGP ANNOUNCED ● high
77.104.195.128/29 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.195.192/29 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.197.0/26 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.197.64/26 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.197.128/25 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.215.8/29 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.215.16/28 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.215.32/27 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.215.128/26 COPROSYS-UL RIPE ASSIGNED PA ● low
77.104.215.192/28 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.215.240/30 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.215.244/30 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.217.128/26 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.225.0/26 COPROSYS-UNL-CZ RIPE ASSIGNED PA ● low
77.104.225.64/26 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.225.128/26 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.225.192/30 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.225.196/30 COPROSYS-UNL RIPE ASSIGNED PA ● low
77.104.225.200/29 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.234.0/24 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.235.128/26 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.236.0/24 CoProSys a.s. RIPE ASSIGNED PA ● low
77.104.237.128/25 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.239.0/25 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.239.128/26 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.239.192/27 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.241.128/25 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.242.64/26 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.242.160/27 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.243.0/24 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.244.0/24 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.246.32/27 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.246.80/29 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.246.96/27 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.246.160/27 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.246.192/28 COPROSYS-CZ RIPE ASSIGNED PA ● low
77.104.246.224/27 COPROSYS-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 (128 of 128)
Possible discrepancies (2)

These blocks are registered to CoProSys a.s. 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.

194.212.144.0/22 /22 authorized for AS13036 — T-Mobile Czech Republic a.s.
194.212.152.0/24 /24 authorized for AS13036 — T-Mobile Czech Republic a.s.

NIC Handles

AS39906 COPROSYS-MNT COPROSYS-MNT DUMY-RIPE DUMY-RIPE GTSCZ-MNT ORG-CA781-RIPE RIPE-DB-MNT RIPE-NCC-HM-MNT