code: public static Predicate<InetAddress> ofExact(InetAddress address) {
          requireNonNull(address, "address");
          if (address instanceof Inet4Address) {
              return ofCidr(address, 32);
          }
          if (address instanceof Inet6Address) {
              return ofCidr(address, 128);
          }
          throw new IllegalArgumentException("Invalid InetAddress type: " + address.getClass().getName());
      }
docs: Returns a {@link Predicate} which returns {@code true} if the given {@link InetAddress} equals to
  the specified {@code address}.
  
  @param address the expected {@link InetAddress}