www.isprime.com
AdultReviews.net are hosted there.
We have 4 other servers on the same network, but managed by a reseller.
www.advancedhosters.com colocation#3
They(AH) are cheap, but support is a bit slow compared to Isprime.
ISprime is prime support and hosting.
Prices is not the lowest, but the support crew is there when you need them.
Ask for a quote to get the best price, the prices on the website is higher than what you can get if you ask.
NatNet would become our secondary host.