The problem with youtube is caused by the attempts by Pakistan to block the site. It is believed that in their attempts to block the site, they have hi-jacked the youtube IP addresses and re-routed them - Unfortunately they have redistributed this new fake route to the world's routing tables and broken it for everyone.
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Pakistan's attempts to block access to YouTube have been blamed for an
almost global blackout of the video website for more than an hour on Sunday.
BBC News has learned that the outage was almost certainly connected to
Pakistan Telecom and Asian internet service provider PCCW.
A leading net professional said the global outage was "probably a mistake".
Pakistan ordered internet service providers to block the site because of
content deemed offensive to Islam.
The BBC News website's technology editor, Darren Waters, says that to block
Pakistan's citizens from accessing YouTube it is believed Pakistan Telecom
"hijacked" the web server address of the popular video site.
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I had the above as part of an apologetic email waiting for me this morning from one of our network partners. Our partners are saying they've introduced extra filtering to stop it affecting us, but it might take the rest of the UK a few hours to catch up.