code: public static boolean isHostInNetworkCard(String host) {
          try {
              InetAddress addr = InetAddress.getByName(host);
              return NetworkInterface.getByInetAddress(addr) != null;
          } catch (Exception e) {
              return false;
          }
      }
docs: 是否网卡上的地址
  
  @param host 地址
  @return 是否默认地址