*
     * @return string representation of the IP address
     */

    @Override
    public String getHostAddress() {
        return (this.address >>> 24 & 0xFF) + "." + (this.address >>> 16 & 0xFF) + "." + (this.address >>> 8 & 0xFF) + "."
                + (this.address >>> 0 & 0xFF);
    }

    @Override
    public int getNameType() {

   *
   * @param ip {@link Inet6Address} to be examined for embedded IPv4 in 6to4 address
   * @return {@link Inet4Address} of embedded IPv4 in 6to4 address
   * @throws IllegalArgumentException if the argument is not a valid IPv6 6to4 address
   */
  public static Inet4Address get6to4IPv4Address(Inet6Address ip) {

    }

    /**
     * Determines the address of a host given it's host name. The name can be a
     * machine name like "jcifs.samba.org",  or an IP address like "192.168.1.15".
     *
     * @param hostname NetBIOS or DNS hostname to resolve
     * @throws java.net.UnknownHostException if there is an error resolving the name
     */

    /**
     * Determines the address of a host given its host name.
     *

### [Addresses](https://square.github.io/okhttp/5.x/okhttp/okhttp3/-address/)

Addresses specify a webserver (like `github.com`) and all of the **static** configuration necessary to connect to that server: the port number, HTTPS settings, and preferred network protocols (like HTTP/2).

20F1..20FF    ; disallowed                             # NA   <reserved-20F1>..<reserved-20FF>
2100          ; disallowed_STD3_mapped ; 0061 002F 0063 #1.1  ACCOUNT OF
2101          ; disallowed_STD3_mapped ; 0061 002F 0073 #1.1  ADDRESSED TO THE SUBJECT
2102          ; mapped                 ; 0063          # 1.1  DOUBLE-STRUCK CAPITAL C
2103          ; mapped                 ; 00B0 0063     # 1.1  DEGREE CELSIUS

    val InetSocketAddress.socketHost: String get() {
      // The InetSocketAddress was specified with a string (either a numeric IP or a host name). If
      // it is a name, all IPs for that name should be tried. If it is an IP address, only that IP
      // address should be tried.
      val address = address ?: return hostName

                addresses = new UniAddress[1];
                addresses[0] = UniAddress.getByName(server);
                return getNextAddress();
            }
            final String address = queryLookup(query, "address");
            if (address != null && address.length() > 0) {
                final byte[] ip = java.net.InetAddress.getByName(address).getAddress();

    @Test
    public void testIsIPv6Address() {
        // IPv6 addresses
        assertTrue(IpAddressUtil.isIPv6Address("::1"));
        assertTrue(IpAddressUtil.isIPv6Address("2001:db8::1"));
        assertTrue(IpAddressUtil.isIPv6Address("fe80::1"));
        assertTrue(IpAddressUtil.isIPv6Address("2001:0db8:0000:0000:0000:ff00:0042:8329"));

        // IPv4 addresses
        assertFalse(IpAddressUtil.isIPv6Address("127.0.0.1"));

         * Creates a new witness IP address.
         *
         * @param address the IP address
         */
        public WitnessIPAddress(InetAddress address) {
            this.address = address;
            this.flags = address.getAddress().length == 4 ? IPV4 : IPV6;
        }

        /**
         * Gets the IP address.
         *
         * @return the IP address
         */
        public InetAddress getAddress() {

    rather than the duration specified in the response's cache-control header.
 *  Fix: Verify certificate IP addresses in canonical form. When a server presents a TLS certificate
    containing an IP address we must match that address against the URL's IP address, even when the
    two addresses are encoded differently, such as `192.168.1.1` and `0::0:0:FFFF:C0A8:101`. Note