public String tracePacket(Packet packet){
        packet.recordPath(own_ip);
        if(own_ip.isTheSame(packet.getDestination())){
            return packet.toString();
        }else{
            if(packet.isLive()){
                for(Node child:children){
                    if(packet.getDestination().insideRng(child.lower_ip, child.higher_ip)){
                        return child.tracePacket(packet);
                    }
                }
                if(parent == null){
                    return "OUT";
                }else{
                    return parent.tracePacket(packet);
                }
            }else{
                return "LOOP";
            }
        }

    }

}