Select IP Addresses in the settings area.

Click Select File to choose a file with multiple IP addresses in .csv format. 

Click Send to upload the file.

You can add each IP address manually

To do so, enter an IP in the appropriate field depending on the type of IP address. 

Then, click Add to confirm. 

To add IP v4 Range, enter your IP v4 range in CIDR format in the proper field. Fill the CIDR box and press Add to confirm.

Press SAVE to keep changes.

You can exclude any of your IP addresses by clicking the button on the existing IP.