I thought keeping this list updated could be useful for others. Here are the ones I know:
- Linode: http://blog.linode.com/2007/11/12/support-for-high-availability-ip-failover/
- Mammoth Hosting: http://www.mammothvps.com.au/add-ons/ip-failover
- Rimu Hosting: rimuhosting.com
- TekTonic: tektonic.net/virtual-servers.html
- OVH: ovh.co.uk (Their IP Failover guide: help.ovh.com/DedieMac )
- Kimsufi: www.kimsufi.co.uk
- evoRack: evorack.com (UK. Quick replies to pre-sale questions and good reputation.)
- ensCloud: www.enscloud.com/products/cloudvps/features/ (Near the bottom regarding price. Reviews are mixed regarding support and reliability.)
Does anyone know of any others?