MICHAEL SIMPSON
Cluster stats
| Netblocks | 3 |
| All fragments | 1,044 blocks across 512 clusters |
| Cluster ID | 192478386 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 91.200.61.0/24 | MICHAEL SIMPSON | RIPE | ASSIGNED PI | ● high |
| 2001:67c:1270::/48 | MICHAEL SIMPSON | RIPE | ASSIGNED PI | ● high |
| 81.187.172.209/32 | MICHAEL-SIMPSON | RIPE | ASSIGNED PA | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(3 of 3)
Possible discrepancies (2)
These blocks are registered to MICHAEL SIMPSON 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.
| 2001:67c:1270::/48 /48 | authorized for AS20712 — Andrews & Arnold Ltd |
| 91.200.61.0/24 /24 | authorized for AS20712 — Andrews & Arnold Ltd |
NIC Handles
AA
DUMY-RIPE
DUMY-RIPE
ORG-MA615-RIPE
RIPE-NCC-END-MNT