@Test
public void testIpv6() throws UnknownHostException {

    CIDRUtils cidrUtils = new CIDRUtils("234e:0:4567::3d/64");
    Assertions.assertTrue(cidrUtils.isInRange("234e:0:4567::3e"));
    Assertions.assertTrue(cidrUtils.isInRange("234e:0:4567::ffff:3e"));
    Assertions.assertFalse(cidrUtils.isInRange("234e:1:4567::3d"));
    Assertions.assertFalse(cidrUtils.isInRange("234e:0:4567:1::3d"));
    cidrUtils = new CIDRUtils("3FFE:FFFF:0:CC00::/54");
    Assertions.assertTrue(cidrUtils.isInRange("3FFE:FFFF:0:CC00::dd"));
    Assertions.assertTrue(cidrUtils.isInRange("3FFE:FFFF:0:CC00:0000:eeee:0909:dd"));
    Assertions.assertTrue(cidrUtils.isInRange("3FFE:FFFF:0:CC0F:0000:eeee:0909:dd"));
    Assertions.assertFalse(cidrUtils.isInRange("3EFE:FFFE:0:C107::dd"));
    Assertions.assertFalse(cidrUtils.isInRange("1FFE:FFFE:0:CC00::dd"));
}