[Kymmy]

It uses a leased dhcp.. Problem is though that even when the lease expires unless you have all the addressees filled up in your area you;re very likely to get the same one back.

With the VM modems you could change the MAC of the connecting device and just reboot the modem. It'll probably be the same in bridge mode on the superhub as you can change the MAC of the connected router but if you use the built in router side of the superhub then you're stuck