| Network Description: | European Centre for Medium-Range Weather Forecasts | |
| Organization: | European Centre for Medium-Range Weather Forecasts (ECMWF) / ecmwf-it | |
| Country of Network: |  United Kingdom |
| Prefix | Description | Country |
|---|---|---|
| 77.83.224.0/23 | European Centre for Medium-Range Weather Forecasts (ECMWF) | |
| 77.83.226.0/24 | European Centre for Medium-Range Weather Forecasts (ECMWF) | |
| 136.156.32.0/22 | European Centre for Medium-Range Weather Forecasts | |
| 136.156.40.0/21 | European Centre for Medium-Range Weather Forecasts | |
| 136.156.144.0/20 | European Centre for Medium-Range Weather Forecasts | |
| 136.156.192.0/18 | European Centre for Medium-Range Weather Forecasts | |