Subnet Calculator
IPv4 Subnet Calculator
Enter IP/CIDR to calculate network address, broadcast address, usable address range, and subnet mask in real-time.
Calculation Result
Network
-64.-88.0.0
Broadcast
-64.-88.0.-1
Netmask
255.255.255.0
Wildcard
0.0.0.255
First Host
-64.-88.0.-255
Last Host
-64.-88.0.-2
Block Size
256
Binary Mask
11111111.11111111.11111111.00000000