O-SOSTRO-LJ-EDUS-NET
Data as of 2026-08-09
Handle
Cluster stats
| Netblocks | 6 · 352 IPv4 addresses |
| IPv6 | 1 prefix (largest 2001:1470:f542::/48) |
| Cluster ID | 218276659 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | RIR handle |
| Shared handles | clustered on 3 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-08-09
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 109.127.247.0 – 109.127.247.95 | O-SOSTRO-LJ-EDUS-NET | RIPE | ASSIGNED PA | ● low |
| 153.5.249.0/25 | O-SOSTRO-LJ-EDUS-NET | RIPE | LEGACY | ● low |
| 194.249.170.160/27 | O-SOSTRO-LJ-EDUS-NET | RIPE | ASSIGNED PA | ● low |
| 194.249.223.192/26 | O-SOSTRO-LJ-EDUS-NET | RIPE | ASSIGNED PA | ● low |
| 212.235.166.192/27 | O-SOSTRO-LJ-EDUS-NET | RIPE | ASSIGNED PA | ● low |
| 2001:1470:f542::/48 | O-SOSTRO-LJ-EDUS-NET | RIPE | ASSIGNED | ● low |
IPv6 ranges (1)
| CIDR |
|---|
| 2001:1470:f542::/48 |
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 (1)
These blocks are registered to O-SOSTRO-LJ-EDUS-NET 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.
| 2001:1470:f542::/48 /48 | authorized for AS2107 — ARNES |
NIC Handles
ARNES-MNT
DUMY-RIPE
DUMY-RIPE