Public domain
IP : 192.168.100.57
Netmask : 255.255.255.240
/ / /
| 57 = 00111001 | NetID : 00110000 = 48 | NetID : 192.168.100.48
< < <
| 240 = 11110000 | Broadcast : 00111111 = 63 | Broadcast : 192.168.100.63
\ \ \
/
| 256 - 240 = 16
| 57 \ 16 = 3
| 3 * 16 = 48 (NetID)
| 48 + 16 - 1 = 63 (Broadcast)
\
| IP | Mask | Prefix |
--|-----|------|--------|--
| 256 | 0 | /24 |
| 128 | 128 | /25 |
| 64 | 192 | /26 |
| 32 | 224 | /27 |
| 16 | 240 | /28 |
| 8 | 248 | /29 |
| 4 | 252 | /30 |
BY: Pejman Moghadam
TAG: subnet
DATE: 2011-03-07 19:10:56