ECMWF
Unresolved
Cluster stats
| Netblocks | 6 |
| All fragments | 18 blocks across 7 clusters |
| Cluster ID | 191909577 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 4 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.61.196.0/24 | ECMWF | RIPE | ASSIGNED PA | ● low |
| 193.63.95.0/24 | ECMWF | RIPE | ASSIGNED PA | ● low |
| 195.89.234.4/30 | ECMWF | RIPE | ASSIGNED PA | ● low |
| 195.89.234.36/30 | ECMWF | RIPE | ASSIGNED PA | ● low |
| 195.89.234.128/25 | ECMWF | RIPE | ASSIGNED PA | ● low |
| 2001:630:55::/48 | ECMWF | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(6 of 6)
Possible discrepancies (3)
These blocks are registered to ECMWF 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.
| 2001:630:55::/48 /48 | authorized for AS786 — Jisc Services Limited |
| 193.61.196.0/24 /24 | authorized for AS786 — Jisc Services Limited |
| 193.63.95.0/24 /24 | authorized for AS786 — Jisc Services Limited |
NIC Handles
DUMY-RIPE
DUMY-RIPE
JANET-HOSTMASTER
VODAFONE-WORLDWIDE-MNTNER