There's also a small thread on NANOG mailing list in which a user acknowledges the fact that he cannot access a server in Cairo[2].
[1]: http://bgpmon.net/blog/?p=450 (by @atoonk on twitter)
[2]: http://mailman.nanog.org/pipermail/nanog/2011-January/031315...
EDIT: formating
EDIT2: grammar, I think everything is passable now