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IP / Subnet Calculator

Calculate subnet details from CIDR notation or IP + mask. Get network range, usable hosts, broadcast address, and more.

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Network Address
192.168.1.0
Broadcast Address
192.168.1.255
Subnet Mask
255.255.255.0
Wildcard Mask
0.0.0.255
First Usable Host
192.168.1.1
Last Usable Host
192.168.1.254
Usable Hosts
254
Total Addresses
256
IP Class
C
Private Address
Yes
CIDR Notation
192.168.1.0/24
Binary Mask
11111111.11111111.11111111.00000000

Common Subnets