This is probably the biggest internet datacentre in downtown Toronto (if not all of Toronto), housing thousands of servers and networks in a secure facility conveniently located next to the CBD and the railroads.
A proposal for a 36 floor/177.5m office building is planned for this site which has completion date for 2010.
Quoted from their website:
"151 Front Street is home to more than 150 telecommunications companies and is one of North America's most connected buildings with 9 unique fibre-optic networks, 25 diverse entrances, and more than 7,000 strands of fibre."
See
www.151frontstreet.com/151history.html for an overview of the history of this building.
Category: building office building