return requireNonNull(ip.getHostAddress());
    }
    byte[] bytes = ip.getAddress();
    int[] hextets = new int[IPV6_PART_COUNT];
    for (int i = 0; i < hextets.length; i++) {
      hextets[i] = Ints.fromBytes((byte) 0, (byte) 0, bytes[2 * i], bytes[2 * i + 1]);
    }
    compressLongestRunOfZeroes(hextets);

    return hextetsToIPv6String(hextets) + scopeWithDelimiter((Inet6Address) ip);
  }

      return requireNonNull(ip.getHostAddress());
    }
    byte[] bytes = ip.getAddress();
    int[] hextets = new int[IPV6_PART_COUNT];
    for (int i = 0; i < hextets.length; i++) {
      hextets[i] = Ints.fromBytes((byte) 0, (byte) 0, bytes[2 * i], bytes[2 * i + 1]);
    }
    compressLongestRunOfZeroes(hextets);

    return hextetsToIPv6String(hextets) + scopeWithDelimiter((Inet6Address) ip);
  }