@Test
public void testIsValidCidrList() throws Exception {

    final String cidrFirst = "10.0.144.0/20,1.2.3.4/32,5.6.7.8/24";
    final String cidrSecond = "10.0.151.0/20,129.0.0.0/4";
    final String cidrThird = "10.0.144.0/21";
    assertTrue(NetUtils.isValidCidrList(cidrFirst));
    assertTrue(NetUtils.isValidCidrList(cidrSecond));
    assertTrue(NetUtils.isValidCidrList(cidrThird));
}