String regex0="(2[0-4]\\d)" + "|(25[0-5])";
String regex1="1\\d{2}";
String regex2="[1-9]\\d";
String regex3="\\d";
String regex="("+regex0+")|("+regex1+")|("+regex2+")|("+regex3+")";
regex="10.160.((9[6-9])|(10[0-3]))."+regex;
String regex1="1\\d{2}";
String regex2="[1-9]\\d";
String regex3="\\d";
String regex="("+regex0+")|("+regex1+")|("+regex2+")|("+regex3+")";
regex="10.160.((9[6-9])|(10[0-3]))."+regex;
regex="10.160.((9[6-9])|(10[0-3])).";