Subnetting Calculator
Address: | |
Network Address: | |
Broadcast: | |
Netmask: | |
Slash: | |
First Usable Host: | |
Last Usable Host: | |
Usable Hosts: | |
Wildcard: |
Calculate all the subnet information you may need. It's fast, it's easy, it allows you to cut and paste and it accepts both CIDR (/24) and netmask notation (255.255.255.0). You may also want to check out the more advanced calculator which will allow you to plan a whole network out.