This is a simple calculator to let you know how many IPv4 IPs you will get when you create a Subnet in AWS.
AWS allows subnet mask only between /16 to /28 . Few IPs in each subnet are reserved for AWS internal usage .
To calculate for e.g. in subnet 10.0.0.0/24 subnet mask is 24 so, enter 24 below to get available IPs in this subnet .
Enter Subnet Mask
Disclaimer: Please note that this is not an offical AWS calculator. Please visit AWS VPC for more details.