IP subnet calculator needed

I have used a lot of these and now have a large project starting with a lot of layer 3 VLAN switches to configure.
Anyone got a preferred IP subnet calculator they can recommend?

1 Like

this is the best you can use

You can download the freeware here:

Subnet Calculator
You can find many options such as
IP range, subnet mask calculation , Wildcard calculation

I use this online subnet calculator for a long time and works well : B.R…