Alastair Barber
DUS
BGP inherited
Cluster stats
| Netblocks | 2 |
| All fragments | 25 blocks across 11 clusters |
| Cluster ID | 191819331 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 4 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (2)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 2a00:f826:4:3:1::/112 | DUS-HOSTING | RIPE | ASSIGNED | ● low |
| 2a0c:b641:824::/48 | DUS | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(2 of 2)
Possible discrepancies (2)
These blocks are registered to DUS 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.
| 2a0c:b641:824::/48 /48 | authorized for AS34872 — Sarah Rossius trading as Servperso Systems |
| 2a00:f826:4:3:1::/112 /16 | authorized for AS197071 — active 1 GmbH |
NIC Handles
ALASTAIR-MNT
DUMY-RIPE
DUMY-RIPE
DUSHOSTING-MNT