Subnetwork
Subnet and host counts
Columns: Prefix size | Network mask | Available subnets | Usable hosts per subnet | Total usable hosts
/24 | 255.255.255.0 | 1 | 254 | 254 | /25 | 255.255.255.128 | 2 | 126 | 252 | /26 | 255.255.255.192 | 4 | 62 | 248 | /27 | 255.255.255.224 | 8 | 30 | 240 | /28 | 255.255.255.240 | 16 | 14 | 224 | /29 | 255.255.255.248 | 32 | 6 | 192 | /30 | 255.255.255.252 | 64 | 2 | 128