Ann: Investor Update Presentation & Confirmation of FY18 Guidance, page-51

So current valuations are starting to see $400m as an average.

Australian: over $400m (unamed source)
NBR: $400m (unnamed source)
Morningstar: under $300m
Morgans: $340-450m
Book Value: $580m (my est.)

I hope they are willing to walk away if they dont get a good price, it is still of strategic value. We are lose a long term growth opportunity by selling it, we dont see that in the price.

"There was another twist in the telco’s road to recovery on Monday when it said that it was putting its trans-Tasman operation, valued at over $400 million
...
Meanwhile, Vocus has also officially put its data centre business, valued at $160m, up for sale. However, industry sources told The Australian that the telco has been looking for a buyer for its portfolio of 20 data centres for some time."

Vocus NZ sale shocks market