James Colderwood
Cluster stats
| Netblocks | 7 |
| All fragments | 666 blocks across 325 clusters |
| Cluster ID | 191691121 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 10 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 194.99.65.0/24 | James Colderwood | BGP | ANNOUNCED | ● high |
| 2001:678:c40::/48 | James Colderwood | RIPE | ASSIGNED PI | ● high |
| 2a14:a900::/48 | James Colderwood | BGP | ANNOUNCED | ● high |
| 2a14:a900::/32 | James Colderwood | BGP | ANNOUNCED | ● high |
| 2a14:a900:e7f::/48 | James Colderwood | BGP | ANNOUNCED | ● high |
| 194.99.65.0/24 | James Colderwood | RIPE | ALLOCATED PA | ● low |
| 2a14:a900::/29 | James Colderwood | RIPE | ALLOCATED-BY-RIR | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(7 of 7)
Possible discrepancies (1)
These blocks are registered to James Colderwood 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.
| 2001:678:c40::/48 /48 | authorized for AS20712 — Andrews & Arnold Ltd |
NIC Handles
AS207754
DUMY-RIPE
DUMY-RIPE
IP6NET
ORG-JC137-RIPE
RIPE-NCC-END-MNT
RIPE-NCC-HM-MNT
colderwood-mnt
lir-uk-jim-1-MNT
lir-uk-jim-1-MNT