Martin Ph. D. Pustka
MTU
Cluster stats
| Netblocks | 4 |
| All fragments | 5,649 blocks across 4,968 clusters |
| Cluster ID | 192265462 |
| Registry | AFRINIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 41.75.88.84/30 | MTU | AFRINIC | ASSIGNED PA | ● low |
| 45.91.0.0/24 | MTU | RIPE | ASSIGNED PA | ● low |
| 195.34.39.0/25 | MTU | RIPE | ASSIGNED PA | ● low |
| 2a0e:840::/48 | MTU | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(4 of 4)
Possible discrepancies (2)
These blocks are registered to MTU 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.
| 2a0e:840::/48 /48 | authorized for AS208663 — Martin Ph. D. Pustka |
| 45.91.0.0/24 /24 | authorized for AS208663 — Martin Ph. D. Pustka |
NIC Handles
DUMY-RIPE
DUMY-RIPE
MTU-NOC
Mainone-MNT
OI15-AFRINIC
OI15-AFRINIC
SA145-AFRINIC
SA145-AFRINIC
mnt-cz-mtu-1