There are 3 options for dedicated hosting solutions
1: CBMHost - they've been live for a while, they're free, and they recently upgraded. They're also run by an actual adult.
2: HammerHost - Yeah, ^ he ^ can tell you about that
3: LugHost - My own service, I'm finalizing testing right now, and will release within the week:
http://forum.blockland.us/index.php?topic=252713.0The only other option is hosting it on your own, but that's not what you wanted.
Option 2 and 3 are paid solutions - arguably more reliable due to the motivation to keep them up. While unlikely, there is no guarantee that CBM will not just die suddenly for no reason.