I can confirm this for the middle of Convention3 too, at around 10:50:
hta@trd-hta-t60:~$ ping 129.241.1.99
PING 129.241.1.99 (129.241.1.99) 56(84) bytes of data.
64 bytes from 129.241.1.99: icmp_seq=1 ttl=243 time=8715 ms
64 bytes from 129.241.1.99: icmp_seq=2 ttl=243 time=8620 ms
64 bytes from 129.241.1.99: icmp_seq=4 ttl=243 time=8049 ms
64 bytes from 129.241.1.99: icmp_seq=5 ttl=243 time=7666 ms
64 bytes from 129.241.1.99: icmp_seq=6 ttl=243 time=7372 ms
Ping times varied all the way up to 30 seconds.