Calculator · Beginner
Subnet Calculator
Convert an IPv4/CIDR pair into network, broadcast, host range, wildcard mask, and binary form.
Enter any IPv4 address and prefix. The calculator derives the subnet boundaries without calling a server.
Quick prefixes
CIDR192.168.10.24/24
ClassC
ScopePrivate
Network address192.168.10.0
Broadcast address192.168.10.255
Subnet mask255.255.255.0
Wildcard mask0.0.0.255
First host192.168.10.1
Last host192.168.10.254
Usable hosts254
Total addresses256
Binary view
- IP
- 00000192.00000168.00000010.00000024
- Mask
- 00000255.00000255.00000255.00000000
Network bitsHost bits
First usable addresses
192.168.10.1192.168.10.2192.168.10.3192.168.10.4192.168.10.5