Fernando German Fischer
Fernando German Fischer (FIBERNET TELECOM)
BGP inherited
Cluster stats
| Netblocks | 12 |
| All fragments | 68 blocks across 17 clusters |
| Cluster ID | 191314164 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 1 shared RIR contact/maintainer handle |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
12
0 netblocks since 2026-07-05
2026-07-05
peak 12
2026-07-06
IP Ranges (12)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 45.4.252.0/24 | Fernando German Fischer (FIBERNET TELECOM) | BGP | ANNOUNCED | ● high |
| 45.4.252.0/23 | Fernando German Fischer (FIBERNET TELECOM) | BGP | ANNOUNCED | ● high |
| 45.4.253.0/24 | Fernando German Fischer (FIBERNET TELECOM) | BGP | ANNOUNCED | ● high |
| 45.4.254.0/23 | Fernando German Fischer (FIBERNET TELECOM) | BGP | ANNOUNCED | ● high |
| 45.4.254.0/24 | Fernando German Fischer (FIBERNET TELECOM) | BGP | ANNOUNCED | ● high |
| 45.4.255.0/24 | Fernando German Fischer (FIBERNET TELECOM) | BGP | ANNOUNCED | ● high |
| 2803:f6c0::/32 | Fernando German Fischer (FIBERNET TELECOM) | BGP | ANNOUNCED | ● high |
| 45.4.252.248/29 | UNKNOWN | LACNIC | reallocated | ● medium |
| 45.4.253.154/31 | UNKNOWN | LACNIC | reallocated | ● medium |
| 45.4.253.250/31 | UNKNOWN | LACNIC | reallocated | ● medium |
| 45.4.253.252/30 | UNKNOWN | LACNIC | reallocated | ● medium |
| 2803:f6c0::/32 | UNKNOWN | LACNIC | allocated | ● medium |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(12 of 12)
No discrepancies found among checked blocks.
NIC Handles
AS265661