Spider IP Addresses For The Search Engines?

Anyone happen to know where i can find a decent up-to-date list of the major search engine spiders ip addresses?

I need it for a script we're having written.

Regards,

Lee

Lee Lee Lee... shame on you!

You have the 64.68.80.0 - 64.68.87.255 range I assume?

Yep we have the Google and Yahoo ip blocks its the lesser known / smaller engines we're having trouble finding ips for lol

Regards,

Lee

You have Inktomi's I.P. range I assume?

209.1.38.*
209.185.141.*
209.185.143.*
216.32.237.*