Improvizus MB
"Improvizus" MB
BGP inherited
Cluster stats
| Netblocks | 8 |
| Cluster ID | 191802804 |
| 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 | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
8
0 netblocks since 2026-07-05
2026-07-05
peak 8
2026-07-06
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 2a0f:6740::/29 | "Improvizus" MB | BGP | ANNOUNCED | ● high |
| 45.92.104.0/22 | "Improvizus" MB | RIPE | ALLOCATED PA | ● low |
| 45.134.72.0/22 | "Improvizus" MB | RIPE | ALLOCATED PA | ● low |
| 45.147.132.0/22 | "Improvizus" MB | RIPE | ALLOCATED PA | ● low |
| 2a0d:4480::/29 | "Improvizus" MB | RIPE | ALLOCATED-BY-RIR | ● low |
| 2a0d:5100::/29 | "Improvizus" MB | RIPE | ALLOCATED-BY-RIR | ● low |
| 2a0d:ab00::/29 | "Improvizus" MB | RIPE | ALLOCATED-BY-RIR | ● low |
| 2a0d:af00::/29 | "Improvizus" MB | RIPE | ALLOCATED-BY-RIR | ● low |
Network trust
what's this?
RPKI hygiene: D
how networks compare →
25.0%
of checked blocks have valid RPKI ROA coverage
(2 of 8)
Possible discrepancies (1)
These blocks are registered to "Improvizus" MB 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.
| 45.92.104.0/22 /22 | authorized for AS4766 — Korea Telecom |
NIC Handles
AS211432
DUMY-RIPE
DUMY-RIPE
ORG-MA1605-RIPE
RIPE-NCC-HM-MNT
mnt-lt-improvizus1-1
mnt-lt-uabtechnova-1