Pavel Zizka
ORELSOFT
Cluster stats
| Netblocks | 11 |
| All fragments | 14 blocks across 4 clusters |
| Cluster ID | 193384213 |
| Registry | PEERINGDB |
| Customers | find 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 | |
IP Ranges (11)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 89.46.144.223/32 | ORELSOFT | PEERINGDB | ASSIGNED | ● high |
| 178.216.40.146/32 | ORELSOFT | PEERINGDB | ASSIGNED | ● high |
| 178.216.41.118/32 | ORELSOFT | PEERINGDB | ASSIGNED | ● high |
| 195.149.233.162/32 | ORELSOFT | PEERINGDB | ASSIGNED | ● high |
| 2001:678:3ac::223/128 | ORELSOFT | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:5b::146/128 | ORELSOFT | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:5b::523/128 | ORELSOFT | PEERINGDB | ASSIGNED | ● high |
| 2a06:bfc0::/30 | orelsoft-net | RIPE | ASSIGNED | ● low |
| 2a06:bfc4::/30 | orelsoft-net | RIPE | ASSIGNED | ● low |
| 2a0b:4280::/30 | orelsoft-net | RIPE | ASSIGNED | ● low |
| 2a0b:4284::/30 | orelsoft-net | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
63.6%
of checked blocks have valid RPKI ROA coverage
(7 of 11)
Possible discrepancies (2)
These blocks are registered to ORELSOFT 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.
| 2a06:bfc0::/30 /30 | authorized for AS200918 — Pavel Zizka |
| 2a06:bfc4::/30 /30 | authorized for AS200918 — Pavel Zizka |
NIC Handles
AS200918
DUMY-RIPE
DUMY-RIPE
cz-zizka-1-mnt