IP & CIDR Calculator
Work out subnets, turn an IP range into CIDR blocks, and convert addresses between dotted, decimal, hex and binary. Works for IPv4 and IPv6, in your browser.
- Network
- 192.168.1.0/24
- Netmask
- 255.255.255.0
- Wildcard mask
- 0.0.0.255
- Broadcast
- 192.168.1.255
- First address
- 192.168.1.1
- Last address
- 192.168.1.254
- Total addresses
- 256
- Usable hosts
- 254
- Private or reserved
- Yes