lucy24 - 6:02 am on Nov 15, 2012 (gmt 0)
Other way around. He's saying: These are the known Bing IPs. If anything from those ranges other than the bingbot or msnbot shows up, kick it out the door.
This is based on the assumption that a non-bingbot coming from bingbot territory is up to no good. I really, really hope it isn't part of some vast ongoing Cloaking test, where the winners are the people who don't block :(
wilderness, I'm assuming that in real life at least some of those [OR]s are on single pipe-delimited lines, changed to [OR] for forums readability.