| Präfix | Land | Datum | Adressen | Grösse |
|---|---|---|---|---|
| 51.0.0.0/19 | 19930901 | 8192 | 19 | |
| 51.0.128.0/17 | 19930901 | 32768 | 17 | |
| 51.72.0.0/15 | 19930901 | 131072 | 15 | |
| 51.74.0.0/16 | 19930901 | 65536 | 16 | |
| 51.172.0.0/15 | 19930901 | 131072 | 15 | |
| 51.224.0.0/15 | 19930901 | 131072 | 15 | |
| 83.118.240.0/20 | 20031216 | 4096 | 20 | |
| 503808 | 13 | |||