CIDR notation
If you add an IP address in Appliance Manager, you must use the CIDR notation.
The following table lists the most commonly used internal subnets with their corresponding CIDR notations.
| Subnet mask | CIDR |
|---|---|
| 255.255.252.0 | /22 |
| 255.255.254.0 | /23 |
| 255.255.255.0 | /24 |
| 255.255.255.248 | /29 |
| 255.255.255.252 | /30 |
For a complete list visit the CIDR.EU website.