Ping interface (IPv4 hosts will not work):

Results:

PING www.v6.facebook.com (2a03:2880:f177:185:face:b00c:0:25de) 56 data bytes
64 bytes from edge-star-mini6-shv-02-fra3.facebook.com (2a03:2880:f177:185:face:b00c:0:25de): icmp_seq=1 ttl=57 time=0.829 ms
64 bytes from edge-star-mini6-shv-02-fra3.facebook.com (2a03:2880:f177:185:face:b00c:0:25de): icmp_seq=2 ttl=57 time=0.830 ms
64 bytes from edge-star-mini6-shv-02-fra3.facebook.com (2a03:2880:f177:185:face:b00c:0:25de): icmp_seq=3 ttl=57 time=0.862 ms
64 bytes from edge-star-mini6-shv-02-fra3.facebook.com (2a03:2880:f177:185:face:b00c:0:25de): icmp_seq=4 ttl=57 time=0.939 ms
64 bytes from edge-star-mini6-shv-02-fra3.facebook.com (2a03:2880:f177:185:face:b00c:0:25de): icmp_seq=5 ttl=57 time=0.830 ms

--- www.v6.facebook.com ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4090ms
rtt min/avg/max/mdev = 0.829/0.858/0.939/0.042 ms