Not sure I fully understand with the way you've put the question, but based on all we have been told by the company I reckon it is worth 15-20p a share for the network and 5-10p for access to the customer base.
So for me it is a short anywhere above 30p. I'd put in a cheap stop loss at 100p in case a bid comes in from a keen consolidator. While that remains a risk I would want to hedge, it is not likely enough for me to put it in the price.
I'd do my usual trick of tightening the stop down with the first few pence of profit on the original position, so the unexpired time becomes worst case neutral.
All a bit academic really as I can't find anyone to take me on (our little exchange prompted me to try again this afternoon). Not at the multiples of the NMS that it needs to make it worthwhile, anyway.