ECT Visual Subnet Calculator

Network Address Mask bits
/

Show columns:

Click Divide or /Mask below to split and join subnets. Give each subnet a label to build up an allocation plan.
Copy to Clipboard copies the checked data columns above, with headings, leaving out Divide and Join - paste into Excel, Word or a ticket.
If you wish to save this subnetting for later, bookmark this hyperlink - it carries your divisions and labels.

 Fork me on GitHub McClure School at Ohio University


Network Number Netmask Range of addresses Useable IPs Hosts Label Divide Join