🌐 IP Subnet Calculator

You can also type CIDR notation, such as 10.0.0.0/16.
/
Rounded up to a power of two – e.g. 4 subnets of a /24 are four /26 networks.

Network

192.168.1.0/24

254 usable hosts · Private (RFC 1918)

IP address192.168.1.10
Network address192.168.1.0
Broadcast address192.168.1.255
First usable host192.168.1.1
Last usable host192.168.1.254
Subnet mask255.255.255.0
Wildcard mask0.0.0.255
CIDR notation/24
Total addresses
256
Usable hosts
254
IP class
C
Reverse DNS zone
1.168.192.in-addr.arpa

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