Tools
Subnet calculator
Work out the network, broadcast, and host addresses for any IPv4 address and mask. It is free to use, with no sign-up.
Calculator
Work out a subnet
Type an IP address with a CIDR mask, like 192.168.1.10/24, or type an IP address and a dotted mask, like 255.255.255.0.
Results for 192.168.1.10/24
- Network address
- 192.168.1.0
- Broadcast address
- 192.168.1.255
- First usable host
- 192.168.1.1
- Last usable host
- 192.168.1.254
- Usable hosts
- 254
- Wildcard mask
- 0.0.0.255
- Subnet mask
- 255.255.255.0
- Mask in binary
- 11111111.11111111.11111111.00000000
Learn on the job
Put your subnets to work on the network desk.
Work out the numbers here, then use them on real network tickets. Learn on the job, with real work in front of you.