ADVNET
BGP inherited
Cluster stats
| Netblocks | 8 · 1,800 IPv4 addresses |
| Registered in | Czechia (6) · Italy (1) · Russia (1) |
| Cluster ID | 209278108 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
8
0 netblocks since 2026-07-05
2026-07-05
peak 8
2026-07-19
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 82.114.157.0/24 | ADVNET | RIPE | ASSIGNED PA | ● low |
| 86.63.208.0/24 | ADVNET | RIPE | ASSIGNED PA | ● low |
| 86.63.209.0/24 | ADVNET | RIPE | ASSIGNED PA | ● low |
| 156.54.15.192/28 | ADVNET-SRL | RIPE | LEGACY | ● low |
| 185.3.156.0/24 | ADVNET | RIPE | ASSIGNED PA | ● low |
| 185.3.157.0/24 | ADVNET | RIPE | ASSIGNED PA | ● low |
| 185.3.158.0/24 | ADVNET | RIPE | ASSIGNED PA | ● low |
| 185.3.159.0/24 | ADVNET | RIPE | ASSIGNED PA | ● low |
Network trust
what's this?
RPKI hygiene: D
how networks compare →
37.5%
of checked blocks have valid RPKI ROA coverage
(3 of 8)
Possible discrepancies (3)
These blocks are registered to ADVNET but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 86.63.208.0/24 /24 | authorized for AS16246 — O2 Czech Republic, a.s. |
| 86.63.209.0/24 /24 | authorized for AS16246 — O2 Czech Republic, a.s. |
| 82.114.157.0/24 /24 | authorized for AS15757 — Joint Stock Company Gazprom Space Systems |
NIC Handles
ADVNET-MNT
DUMY-RIPE
DUMY-RIPE
FULCOM-MNT-RIPE
GASCOM-MNT
MNT-RIOMEDIA