static InetAddress initIPAddr(final Map<String, Bytes> data) {
    var ipBytes = data.get("ip");
    if (ipBytes != null) {
      try {
        return InetAddress.getByAddress(ipBytes.toArrayUnsafe());
      } catch (final Exception e) {
        throw new RuntimeException(e);
      }
    }
    return InetAddress.getLoopbackAddress();
  }
Returns the InetAddress of the ENR

@return The IP address of the ENR
ethereum/p2p/src/main/java/org/hyperledger/besu/ethereum/p2p/discovery/dns/EthereumNodeRecord.java