Cebit MAriusz Marton
BGP inherited
Cluster stats
| Netblocks | 7 · 1,788 IPv4 addresses |
| Cluster ID | 209046307 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
7
0 netblocks since 2026-07-05
2026-07-05
peak 7
2026-07-19
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 185.119.148.0/22 | Cebit MAriusz Marton sp.J. | BGP | ANNOUNCED | ● high |
| 195.149.232.229/32 | Cebit MAriusz Marton | PEERINGDB | ASSIGNED | ● high |
| 212.91.0.66/32 | Cebit MAriusz Marton | PEERINGDB | ASSIGNED | ● high |
| 217.17.38.0/24 | Cebit MAriusz Marton sp.J. | BGP | ANNOUNCED | ● high |
| 2001:7f8:60::4:3253:1/128 | Cebit MAriusz Marton | PEERINGDB | ASSIGNED | ● high |
| 217.17.38.0/24 | CEBIT | RIPE | ASSIGNED PA | ● low |
| 217.149.248.0/24 | CEBIT | RIPE | ASSIGNED PA | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
57.1%
of checked blocks have valid RPKI ROA coverage
(4 of 7)
Possible discrepancies (1)
These blocks are registered to Cebit MAriusz Marton 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.
| 217.149.248.0/24 /24 | authorized for AS15694 — Atman Sp. z o.o. |
NIC Handles
AS43253
AS43253
ATMAN-MNT
ATMAN-MNT
CBT-MNT
DUMY-RIPE
DUMY-RIPE