IPcalc - расчет подсетей

ip netmask
in:
ip: 3.239.76.211 00000011.11101111.01001100.   11010011
netmask: 255.255.255.0 = 24 11111111.11111111.11111111.   00000000
wildcard mask: 0.0.0.255 00000000.00000000.00000000.   11111111
out:
net: 3.239.76.0 / 24 00000011.11101111.01001100.   00000000
hostmin: 3.239.76.1 00000011.11101111.01001100.   00000001
hostmax: 3.239.76.254 00000011.11101111.01001100.   11111110
broadcast: 3.239.76.255 00000011.11101111.01001100.   11111111
hosts: 254 Class A