Alastair Barber
Cluster stats
| Netblocks | 14 |
| All fragments | 24 blocks across 8 clusters |
| Cluster ID | 191664637 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (14)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 44.30.104.0/24 | Alastair Barber | BGP | ANNOUNCED | ● high |
| 44.30.126.0/24 | Alastair Barber | BGP | ANNOUNCED | ● high |
| 2001:67c:298::/48 | Alastair Barber | RIPE | ASSIGNED PI | ● high |
| 2001:67c:298::/48 | Alastair Barber | BGP | ANNOUNCED | ● high |
| 2001:67c:e8c::/48 | Alastair Barber | RIPE | ASSIGNED PI | ● high |
| 2001:67c:e8c::/48 | Alastair Barber | BGP | ANNOUNCED | ● high |
| 2001:67c:16c8::/48 | Alastair Barber | BGP | ANNOUNCED | ● high |
| 2001:67c:16c8::/48 | Alastair Barber | RIPE | ASSIGNED PI | ● high |
| 2001:67c:1908::/48 | Alastair Barber | RIPE | ASSIGNED PI | ● high |
| 2001:67c:1908::/48 | Alastair Barber | BGP | ANNOUNCED | ● high |
| 2a0c:b641:820::/48 | Alastair Barber | BGP | ANNOUNCED | ● high |
| 2a0c:b641:824::/48 | Alastair Barber | BGP | ANNOUNCED | ● high |
| 2a0c:b641:820::/44 | Alastair Barber | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a0c:b641:820::/48 | Alastair Barber | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
85.7%
of checked blocks have valid RPKI ROA coverage
(12 of 14)
Possible discrepancies (4)
These blocks are registered to Alastair Barber 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.
| 2a0c:b641:820::/44 /44 | authorized for AS34872 — Sarah Rossius trading as Servperso Systems |
| 2a0c:b641:820::/48 /48 | authorized for AS34872 — Sarah Rossius trading as Servperso Systems |
| 2a0c:b641:820::/48 /48 | authorized for AS34872 — Sarah Rossius trading as Servperso Systems |
| 2a0c:b641:824::/48 /48 | authorized for AS34872 — Sarah Rossius trading as Servperso Systems |
NIC Handles
ALASTAIR-MNT
ALASTAIR-MNT
AS202858
DUMY-RIPE
DUMY-RIPE
ORG-AB404-RIPE
RIPE-NCC-END-MNT
SERVPERSO-MNT