| dziesiętnie | binarnie | ||
|---|---|---|---|
| adres IP | 81.221.128.0 | 01010001.11011101.1000000 0.00000000 | |
| maska | 255.255.254.0 = 23 | 11111111.11111111.1111111 0.00000000 | |
| adres sieci | 81.221.128.0/23 | 01010001.11011101.1000000 0.00000000 | stara klasa A |
| adres rozgłoszeniowy | 81.221.129.255 | 01010001.11011101.1000000 1.11111111 | |
| hostów w sieci | 510 | ||
| host min | 81.221.128.1 | 01010001.11011101.1000000 0.00000001 | |
| host max | 81.221.129.254 | 01010001.11011101.1000000 1.11111110 | |
| lista podsieci |