I use this for an affiliation list. (To make it relevant to a set of systems in those subnets)
if (registration subnet address of client) = “10.1.1.1” then True else if (registration subnet address of client) = “10.1.1.2” then True else if (registration subnet address of client) = “10.1.1.3” then True else if (registration subnet address of client) = “10.1.1.4” then True else False
if (registration subnet address of client) = “10.1.1.1” or (registration subnet address of client) = “10.1.1.2” or (registration subnet address of client) = “10.1.1.3” then True else False