@Test
public void testIsValidCIDR() throws Exception {

    //Test to check IP Range of 2 CIDR
    final String cidrFirst = "10.0.144.0/20";
    final String cidrSecond = "10.0.151.0/20";
    final String cidrThird = "10.0.144.0/21";
    assertTrue(NetUtils.isValidCIDR(cidrFirst));
    assertTrue(NetUtils.isValidCIDR(cidrSecond));
    assertTrue(NetUtils.isValidCIDR(cidrThird));
}