Milos Kalerta, Exmasters Hosting
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 6 · 1,056 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a01:9420:41:100::/64) |
| Cluster ID | 214720399 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 5 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
5 weekly snapshots · JSON
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-07-26
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 81.31.38.0/25 | Milos Kalerta, Exmasters Hosting | RIPE | ASSIGNED PA | ● high |
| 81.31.42.0/25 | Milos Kalerta, Exmasters Hosting | RIPE | ASSIGNED PA | ● high |
| 89.185.228.0/23 | Milos Kalerta, Exmasters Hosting | RIPE | ASSIGNED PA | ● high |
| 89.185.234.0/24 | Milos Kalerta, Exmasters Hosting | RIPE | ASSIGNED PA | ● high |
| 89.185.255.0/27 | Milos Kalerta, Exmasters Hosting | RIPE | ASSIGNED PA | ● high |
| 2a01:9420:41:100::/64 | Milos_Koc | RIPE | ALLOCATED-BY-LIR | ● low |
IPv6 ranges (1)
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(6 of 6)
Possible discrepancies (2)
These blocks are registered to Milos Kalerta, Exmasters Hosting 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.
| 89.185.228.0/23 /23 | authorized for AS24971 — MasterDC s.r.o. |
| 89.185.234.0/24 /24 | authorized for AS24971 — MasterDC s.r.o. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
MASTER-MNT
MNT-JMNET
ORG-EA808-RIPE