The hardware behind Bitvolution is called “Butterfree“, he’s based in Germany (www.hetzner.de):

Specs:

• CPU: Intel® Core™ i7-920 Quadcore incl. Hyper-Threading Technology.
• RAM: 8 GB DDR3.
• Disk: 2 x 750 GB SATA II (Software-RAID 1).

Features:

• LAMP – Full root access.
• 24h reset service via Web interface
• 92 GBit bandwidth with unlimited traffic usage (but the connection speed is restricted to 10 MBit/s if more than 2000 GB/month are exceeded).