While perusing my site's visitor stats the other day, I noticed that I've had one visitor coming to the site over and over and over for the past several weeks. It was someone in Tempe, Arizona. Usually, I can discern who it is that's visiting my site, but this one was perplexing. I'm pretty sure I don't have friends or family in Tempe, so maybe it was just a curious reader.
But then looking at the paths this visitor was taking through my site, it was clear that it wasn't a person at all, but more than likely a robot. I googled it and this is what I found as a result.
So yes, it appears to be a spider for a new search engine called SearchMe. I wouldn't suggest blocking the IP addresses if you're noticing it on your site. That is, unless, you don't want your internet web site home page and sub pages to be indexed in as many places as possible.