Amit,
Thanks for your help. I tried api.bosh-lite.com and it works fine:
admin(a)CT-Test-v231:~$ ping -c 1 api.bosh-lite.com
PING api.bosh-lite.com (10.244.0.34) 56(84) bytes of data.
64 bytes from 10.244.0.34: icmp_seq=1 ttl=63 time=0.664 ms
--- api.bosh-lite.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.664/0.664/0.664/0.000 ms
Thanks,