Works for me:
ping -c 4 www.squeakvm.org PING www.squeakvm.org (67.213.223.125): 56 data bytes 64 bytes from 67.213.223.125: icmp_seq=0 ttl=49 time=121.784 ms 64 bytes from 67.213.223.125: icmp_seq=1 ttl=49 time=125.366 ms 64 bytes from 67.213.223.125: icmp_seq=2 ttl=49 time=125.636 ms 64 bytes from 67.213.223.125: icmp_seq=3 ttl=49 time=125.214 ms
Odd that it's reachable from South America but not North America. :-)