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​Hi We are building a business that has multiple locations in multiple cities in the UK. We want to build a network of geographical based websites for each location / city we have a office in that we service. We are going to build about 50 sites (Standalone on their own domain) to cover all the main cities, and one main company site. The idea with the 50 x sites is to benefit from google local searches and a local location. With the 50 x sites they would all back link to the main website, so would they need to all be on seperate i.p address and hosting to get the back link to count? or can they be all hosted on the same i.p address? Obviously it would be useful to get 50 x back links from relevant sites we are just trying to work out the best to way to do this. Thanks for any advice