C3rd
VLSM Table
Posted: 31 Jul 2010, 21:19pm - Saturday
Variable Length Subnet Mask Table
| Prefix | Add-on | Octet | Hosts | Subnet |
| /30 | +4 | 4th byte | 2 | 255.255.255.252 |
| /29 | +8 | 4th byte | 6 | 255.255.255.248 |
| /28 | +16 | 4th byte | 14 | 255.255.255.240 |
| /27 | +32 | 4th byte | 30 | 255.255.255.224 |
| /26 | +64 | 4th byte | 62 | 255.255.255.192 |
| /25 | +128 | 4th byte | 126 | 255.255.255.128 |
| /24 | +1 | 3rd byte | 254 | 255.255.255.0 |
| /23 | +2 | 3rd byte | 510 | 255.255.254.0 |
| /22 | +4 | 3rd byte | 1022 | 255.255.252.0 |
| /21 | +8 | 3rd byte | 2046 | 255.255.248.0 |
| /20 | +16 | 3rd byte | 4094 | 255.255.240.0 |
| /19 | +32 | 3rd byte | 8190 | 255.255.224.0 |
| /18 | +64 | 3rd byte | 16382 | 255.255.192.0 |
| /17 | +128 | 3rd byte | 32766 | 255.255.128.0 |
| /16 | +1 | 2nd byte | 65534 | 255.255.0.0 |
| … | … | … | … | … |