Fibrecast Ltd.
Data as of 2026-09-20
BGP inherited
This organisation
| Netblocks | 12 · 2,819 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a13:9500:162::/48) |
| Registered in | United Kingdom (5) · Spain (4) · Netherlands (4) · Czechia (3) |
| Record ID | 241205104 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 15 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (12)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 5.57.82.208/32 | Fibrecast | PEERINGDB | ASSIGNED | ● high |
| 5.181.244.0/23 | Fibrecast Ltd. | RIPE | ASSIGNED PA | ● high |
| 5.181.244.0/22 | Fibrecast Ltd. | BGP | ANNOUNCED | ● high |
| 5.181.246.0/23 | Fibrecast Ltd. | RIPE | ASSIGNED PA | ● high |
| 45.14.16.0/23 | Fibrecast Ltd. | RIPE | ASSIGNED PA | ● high |
| 45.14.18.0/23 | Fibrecast Ltd. | RIPE | ASSIGNED PA | ● high |
| 46.243.200.0/24 | Fibrecast Ltd. | BGP | ANNOUNCED | ● high |
| 82.41.65.0/24 | Fibrecast Ltd. | BGP | ANNOUNCED | ● high |
| 178.170.143.0/24 | Fibrecast Ltd. | BGP | ANNOUNCED | ● high |
| 195.66.228.103/32 | Fibrecast | PEERINGDB | ASSIGNED | ● high |
| 195.66.246.40/32 | Fibrecast | PEERINGDB | ASSIGNED | ● high |
| 2a13:9500:162::/48 | Fibrecast | RIPE | ASSIGNED | ● high |
IPv6 ranges (1)
| CIDR |
|---|
| 2a13:9500:162::/48 |
Footprint over time
13 weekly snapshots · JSON
17
0 netblocks since 2026-07-05
2026-07-05
peak 17
2026-09-20
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(17 of 17)
Possible discrepancies (2)
These blocks are registered to Fibrecast Ltd. 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.
| 46.243.200.0/24 /24 | authorized for AS56595 — Commsworld Ltd |
| 46.243.200.0/24 /24 | authorized for AS56595 — Commsworld Ltd |
NIC Handles
AS198690
AS198690
DUMY-RIPE
DUMY-RIPE
FA10147-RIPE
FAC116-RIPE
LeadertelecomBV-mnt
LeadertelecomBV-mnt
ORG-FA1435-RIPE
ORG-FA1446-RIPE
ORG-FIBR3-RIPE
netutils-mnt
+3 more