root@proxy1:~# ping ca.archive.ubuntu.com
PING ca.archive.ubuntu.com (91.189.92.200) 56(84) bytes of data.
64 bytes from obake.canonical.com (91.189.92.200): icmp_seq=1 ttl=46 time=241 ms
64 bytes from obake.canonical.com (91.189.92.200): icmp_seq=2 ttl=46 time=311 ms
64 bytes from obake.canonical.com (91.189.92.200): icmp_seq=3 ttl=46 time=370 ms
64 bytes from obake.canonical.com (91.189.92.200): icmp_seq=4 ttl=46 time=399 ms
64 bytes from obake.canonical.com (91.189.92.200): icmp_seq=5 ttl=46 time=445 ms
64 bytes from obake.canonical.com (91.189.92.200): icmp_seq=6 ttl=46 time=457 ms
64 bytes from obake.canonical.com (91.189.92.200): icmp_seq=7 ttl=46 time=477 ms
64 bytes from obake.canonical.com (91.189.92.200): icmp_seq=8 ttl=46 time=503 ms