Schnelle Hilfe : Subnetzmasken

Anzahl Adressen Bit      Subnetzmaske 
1               /32      255.255.255.255 
2               /31      255.255.255.254 
4               /30      255.255.255.252 
8               /29      255.255.255.248 
16              /28      255.255.255.240 
32              /27      255.255.255.224 
64              /26      255.255.255.192 
128             /25      255.255.255.128 
256             /24 1C   255.255.255.0 
512             /23 2C   255.255.254.0 
1K              /22 4C   255.255.252.0 
2K              /21 8C   255.255.248.0 
4K              /20 16C  255.255.240.0 
8K              /19 32C  255.255.224.0 
16K             /18 64C  255.255.192.0 
32K             /17 128C 255.255.128.0 
64K             /16 1B   255.255.0.0 
128K            /15 2B   255.254.0.0 
256K            /14 4B   255.252.0.0 
512K            /13 8B   255.248.0.0 
1M              /12 16B  255.240.0.0 
2M              /11 32B  255.224.0.0 
4M              /10 64B  255.192.0.0 
8M              /9  128B 255.128.0.0 
16M             /8  1A   255.0.0.0 
32M             /7  2A   254.0.0.0 
64M             /6  4A   252.0.0.0 
128M            /5  8A   248.0.0.0 
256M            /4  16A  240.0.0.0 
512M            /3  32A  224.0.0.0 
1024M           /2  64A  192.0.0.0