phisicalhouse

Subnet Mask Cheat Sheet Addresses Hosts Netmask Amount of a Class C /30 4 2 255.255.255.252 1/64 /29 8 6 255.255.255.248 1/32 /28 16 14 255.255.255.240 1/16 /27 32 30 255.255.255.224 1/8 /26 64 62 255.255.255.192 1/4 /25 128 126 255.255.255.128 1/2 /24 256 254 255.255.255.0 1 /23 512 510 255.255.254.0 2 /22 1024 1022 255.255.252.0 4 /21 2048 2046 255.255.248.0 8 /20 4096 4094 255.255.240.0 16 /19 8192 8190 255.255.224.0 32 /18 16384 16382 255.255.192.0 64 /17 32768 32766 255.255.128.0 128 /16 65536 65534 255.255.0.0 256 Guide to