Sama snad vidíte, že ten ping ukázal adresu vnitřní síťové smyčky > vede k malware, nebo vtipálkovi.

ping -c 5 www.facebook.com
PING www.facebook.com (69.171.234.37) 56(84) bytes of data.
64 bytes from www-slb-11-08-prn1.facebook.com (69.171.234.37): icmp_req=1 ttl=239 time=176 ms
64 bytes from www-slb-11-08-prn1.facebook.com (69.171.234.37): icmp_req=2 ttl=239 time=175 ms
64 bytes from www-slb-11-08-prn1.facebook.com (69.171.234.37): icmp_req=3 ttl=239 time=175 ms
64 bytes from www-slb-11-08-prn1.facebook.com (69.171.234.37): icmp_req=4 ttl=239 time=175 ms
64 bytes from www-slb-11-08-prn1.facebook.com (69.171.234.37): icmp_req=5 ttl=239 time=176 ms

--- www.facebook.com ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 3999ms
rtt min/avg/max/mdev = 175.403/175.789/176.129/0.320 ms