Our cache was only recently brought online, so some of the more popular content may still reside on Mweb while our cache "fills up". Just a guess though, I'll ask the experts.
When I browse Facebook, the following server is not reachable:
scontent.fgcj1-1.fna.fbcdn.net
$ ping scontent.fgcj1-1.fna.fbcdn.net
PING scontent.fgcj1-1.fna.fbcdn.net (41.169.98.17): 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1
Request timeout for icmp_seq 2
^C
--- scontent.fgcj1-1.fna.fbcdn.net ping statistics ---
4 packets transmitted, 0 packets received, 100.0% packet loss
$ traceroute scontent.fgcj1-1.fna.fbcdn.net
traceroute to scontent.fgcj1-1.fna.fbcdn.net (41.169.98.17), 64 hops max, 52 byte packets
1 192.168.1.1 (192.168.1.1) 4.918 ms 4.912 ms 5.255 ms
2 * * *
3 cpt-up1.ip.adsl.co.za (169.1.5.105) 52.032 ms 49.635 ms 49.824 ms
4 cpt-in1.ip.adsl.co.za (169.1.5.118) 53.784 ms 48.448 ms 49.924 ms
5 cpt-net1.ip.adsl.co.za (169.1.5.128) 61.627 ms 57.573 ms 56.487 ms
6 * * *
7 * * *
8 * * *
9 * * *
10 * * *
11 * * *
12 * * *
41.169.98.17 is a neotel IP