Lenny:
days, Mozilla Firefox just hangs "connecting to ...." How can I tell if they have started blocking IP addresses from Colombia?
Try using a few traceroute servers to see if other IP addresses from Colombia other countries are able to get to them.
Other than that, I don't think you can tell from the outside.
Neil
-- Neil Aggarwal, (281)846-8957, http://UnmeteredVPS.net CentOS 5.4 VPS with unmetered bandwidth only $25/month! No overage charges, 7 day free trial, Google Checkout accepted