Obtain a complete list of all IPs associated with your account and whether they are free, taken, or available.
Must be set to one of the following: all free
Will return the IPs on the account that match the argument
The list argument will restrict the IPs returned:
all: All IP addresses available on account, regardless of whether or not the IP is used by a subuser.
free: All free IP addresses for the account. IPs that are not in use by any subusers.
taken: All taken IP addresses for the account. IP addresses that are in use by one or more subusers.
available: All available IP addresses for the account including all free IP addresses. If a subuser is deactivated and assigned an IP, that IP will show up on this list since that IP address is not actually being used.