* Elements of the list can be a single IP (e.g. "123.45.67.89") or
* an IP range (e.g. "123.45.0.0/16").
* Note that CIDR notation is available for IPv4 only for the moment.
* Elements of the list can be a single IP (e.g. "123.45.67.89") or
* an IP range (e.g. "123.45.0.0/16").
* Note that CIDR notation is available for IPv4 only for the moment.