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Subnet / CIDR Calculator

Network/broadcast address, masks, and usable host range from a CIDR block — entirely in your browser.

Subnet details

Network address
192.168.1.0
Broadcast address
192.168.1.255
Subnet mask
255.255.255.0
Wildcard mask
0.0.0.255
Usable host range
192.168.1.1 – 192.168.1.254
Usable hosts
254
Total addresses
256

Split into N subnets

Split intoequal subnets
SubnetUsable rangeHosts
192.168.1.0/26192.168.1.1 – 192.168.1.6262
192.168.1.64/26192.168.1.65 – 192.168.1.12662
192.168.1.128/26192.168.1.129 – 192.168.1.19062
192.168.1.192/26192.168.1.193 – 192.168.1.25462