//in afterLogIn function
var rBanList = sys.getFileContent('rbans.txt')
    if(rBanList != undefined) {
    rBanList = rBanList.split(',')
    for(x in rBanList) {
        var length=rBanList[x].length
        if(rBanList[x].length == 0) {
        return;
        }
        if(sys.ip(src).substr(0,length) == rBanList[x]){
            sys.kick(src)
            return;
        }
    }
//put in list of commands
if(command == "rangeban") {
            if(!isNumeric(commandData)){
                sys.sendMessage(src, "+Bot: Please enter an IP range")
                return;
            }
            rBan = sys.getFileContent('rbans.txt')
            if(rBan == undefined) {
                sys.writeToFile('rbans.txt', "255.255.255.255,")
                rBan = sys.getFileContent('rbans.txt')
            }
            rBan = rBan.split(',')
            rBan += commandData
            rBan = rBan.toString()
            sys.sendAll(rBan)
            sys.writeToFile('rbans.txt', rBan + ",")
            sys.sendMessage(src, '+Bot: ' + commandData + ' was rangebanned!')
            return;
        }
    }