IP Subnet Calculator
Enter an IPv4 address in CIDR notation (e.g., 192.168.1.0/24) and instantly see the subnet mask, wildcard mask, network address, broadcast address, first and last usable hosts, total usable hosts, IP class, and binary representation. Includes common subnet presets.
IP Address
192.168.1.0
Subnet Mask
255.255.255.0
Wildcard Mask
0.0.0.255
Network Address
192.168.1.0
Broadcast Address
192.168.1.255
First Usable Host
192.168.1.1
Last Usable Host
192.168.1.254
Usable Hosts
254
IP Class
C
IP Type
Private
Binary
11000000.10101000.00000001.00000000
CIDR
192.168.1.0/24