> ping facebook.com

PING facebook.com (31.13.83.36) 56(84) bytes of data.

64 bytes from edge-star-mini-shv-01-mad1.facebook.com (31.13.83.36): icmp_seq=1 ttl=54 time=12.2 ms

64 bytes from edge-star-mini-shv-01-mad1.facebook.com (31.13.83.36): icmp_seq=2 ttl=54 time=12.1 ms

64 bytes from edge-star-mini-shv-01-mad1.facebook.com (31.13.83.36): icmp_seq=3 ttl=54 time=11.7 ms

Can't yet traceroute to a.ns.facebook.com tho