IPcalc - расчет подсетей

ip netmask
in:
ip: 3.239.236.140 00000011.11101111.11101100.   10001100
netmask: 255.255.255.0 = 24 11111111.11111111.11111111.   00000000
wildcard mask: 0.0.0.255 00000000.00000000.00000000.   11111111
out:
net: 3.239.236.0 / 24 00000011.11101111.11101100.   00000000
hostmin: 3.239.236.1 00000011.11101111.11101100.   00000001
hostmax: 3.239.236.254 00000011.11101111.11101100.   11111110
broadcast: 3.239.236.255 00000011.11101111.11101100.   11111111
hosts: 254 Class A