Multiple storj nodes from same physical location each one using a different proxy to circumvent IP filtering

The network will deal with it.
You should have a different IPs from a different subnets, the any proxy will slow down the connection, so the cancellation rate will be higher => less data. And you will have to pay for IPs, running the proxy (regarding resources) and so forth.
However, it will bring the customers data in danger. The network will be forced to spend more time and money to repair the data in case of big amount of data would be offline

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