| dziesiętnie | binarnie | ||
|---|---|---|---|
| adres IP | 121.13.80.0 | 01111001.00001101.01010 000.00000000 | |
| maska | 255.255.248.0 = 21 | 11111111.11111111.11111 000.00000000 | |
| adres sieci | 121.13.80.0/21 | 01111001.00001101.01010 000.00000000 | stara klasa A |
| adres rozgłoszeniowy | 121.13.87.255 | 01111001.00001101.01010 111.11111111 | |
| hostów w sieci | 2046 | ||
| host min | 121.13.80.1 | 01111001.00001101.01010 000.00000001 | |
| host max | 121.13.87.254 | 01111001.00001101.01010 111.11111110 | |
| lista podsieci |