Piotr Bukowczyk trading as IT Systematic Group
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 11 · 7,424 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a0f:9680::/29) |
| Cluster ID | 213606614 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
16
0 netblocks since 2026-07-05
2026-07-05
peak 16
2026-07-26
IP Ranges (11)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 91.230.221.0/24 | Piotr Bukowczyk trading as IT Systematic Group | RIPE | ALLOCATED PA | ● high |
| 91.230.221.1 – 91.230.221.255 | Piotr Bukowczyk trading as IT Systematic Group | RIPE | ASSIGNED PA | ● high |
| 176.96.144.0/21 | Piotr Bukowczyk trading as IT Systematic Group | RIPE | ALLOCATED PA | ● high |
| 176.96.144.1 – 176.96.151.255 | Piotr Bukowczyk trading as IT Systematic Group | RIPE | ASSIGNED PA | ● high |
| 176.96.160.0/20 | Piotr Bukowczyk trading as IT Systematic Group | BGP | ANNOUNCED | ● high |
| 176.96.160.1 – 176.96.175.255 | Piotr Bukowczyk trading as IT Systematic Group | RIPE | ASSIGNED PA | ● high |
| 192.109.84.0/23 | Piotr Bukowczyk trading as IT Systematic Group | RIPE | ALLOCATED PA | ● high |
| 192.109.84.1 – 192.109.85.255 | Piotr Bukowczyk trading as IT Systematic Group | RIPE | ASSIGNED PA | ● high |
| 192.109.132.0/23 | Piotr Bukowczyk trading as IT Systematic Group | RIPE | ALLOCATED PA | ● high |
| 192.109.132.1 – 192.109.133.255 | Piotr Bukowczyk trading as IT Systematic Group | RIPE | ASSIGNED PA | ● high |
| 2a0f:9680::/29 | Piotr Bukowczyk trading as IT Systematic Group | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (1)
| CIDR |
|---|
| 2a0f:9680::/29 |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
93.8%
of checked blocks have valid RPKI ROA coverage
(15 of 16)
No discrepancies found among checked blocks.
NIC Handles
AS57121
DUMY-RIPE
DUMY-RIPE
MNT-GOODHOST
ORG-PBTA4-RIPE
RIPE-NCC-HM-MNT
mnt-pl-systematic-1
mnt-pl-systematic-1