EUROPEAN CENTRE FOR MEDIUM-RANGE WEATHER FORECASTS
European Centre for Medium-Range Weather Forecasts (ECMWF)
GLEIF verified
LEI
549300X1OUUKYPXI9C23
Registered name
EUROPEAN CENTRE FOR MEDIUM-RANGE WEATHER FORECASTS
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 12 |
| All fragments | 13 blocks across 2 clusters |
| Cluster ID | 191609154 |
| Registry | BGP |
| Owner jurisdiction | GB |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 549300X1OUUKYPXI9C23 |
| 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 | |
Footprint over time
2 weekly snapshots · JSON
12
0 netblocks since 2026-07-05
2026-07-05
peak 12
2026-07-06
IP Ranges (12)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 77.83.224.0/23 | European Centre for Medium-Range Weather Forecasts (ECMWF) | BGP | ANNOUNCED | ● high |
| 77.83.226.0/24 | European Centre for Medium-Range Weather Forecasts (ECMWF) | BGP | ANNOUNCED | ● high |
| 136.156.32.0/22 | European Centre for Medium-Range Weather Forecasts (ECMWF) | BGP | ANNOUNCED | ● high |
| 136.156.40.0/21 | European Centre for Medium-Range Weather Forecasts (ECMWF) | BGP | ANNOUNCED | ● high |
| 136.156.128.0/20 | European Centre for Medium-Range Weather Forecasts (ECMWF) | BGP | ANNOUNCED | ● high |
| 136.156.144.0/20 | European Centre for Medium-Range Weather Forecasts (ECMWF) | BGP | ANNOUNCED | ● high |
| 136.156.192.0/18 | European Centre for Medium-Range Weather Forecasts (ECMWF) | BGP | ANNOUNCED | ● high |
| 2a09:9180:ecfb::/48 | European Centre for Medium-Range Weather Forecasts (ECMWF) | BGP | ANNOUNCED | ● high |
| 2a09:9180:ecfd::/48 | European Centre for Medium-Range Weather Forecasts (ECMWF) | BGP | ANNOUNCED | ● high |
| 77.83.224.0/22 | European Centre for Medium-Range Weather Forecasts (ECMWF) | RIPE | ALLOCATED PA | ● low |
| 136.156.0.0/16 | European Centre for Medium-Range Weather Forecasts (ECMWF) | RIPE | LEGACY | ● low |
| 2a09:9180::/32 | European Centre for Medium-Range Weather Forecasts (ECMWF) | RIPE | ALLOCATED-BY-RIR | ● low |
NIC Handles
AS42081
DUMY-RIPE
DUMY-RIPE
ORG-ECFM5-RIPE
RIPE-NCC-HM-MNT
RIPE-NCC-LEGACY-MNT
ecmwf-mnt
ecmwf-mnt