Just for the fun of it, I've been keeping an eye on search engines. Since April 18/2006 (last 3 days), here are the unique IPs that have indexed this site, and the number of pages:
Src IP address FQDN Total #
64.242.88.60 sv-crawlfw4.looksmart.com 1
65.55.246.120 msnbot.msn.com 1
65.214.44.116 egspd42135.ask.com 1
65.214.44.137 egspd42480.ask.com 6
66.154.102.37 www.gigablast.com 2
66.154.102.111 www.gigablast.com 24
66.249.65.148 crawl-66-249-65-148.googlebot.com 2
66.249.72.47 crawl-66-249-72-47.googlebot.com 6
68.142.249.71 lj2061.inktomisearch.com 1
68.142.251.113 lj2503.inktomisearch.com 1
68.142.251.133 lj2523.inktomisearch.com 1
68.142.251.142 lj2532.inktomisearch.com 8
68.142.251.145 lj2535.inktomisearch.com 2
68.142.251.154 lj2544.inktomisearch.com 4
68.142.251.155 lj2545.inktomisearch.com 31
68.142.251.158 lj2548.inktomisearch.com 14
72.30.103.12 lj601324.inktomisearch.com 7
72.30.103.13 lj601325.inktomisearch.com 1
72.30.103.71 lj601342.inktomisearch.com 17
72.30.110.33 lj602071.inktomisearch.com 5
72.30.110.34 lj602072.inktomisearch.com 1
72.30.110.38 lj602076.inktomisearch.com 1
72.30.111.149 lj602097.inktomisearch.com 6
72.30.111.150 lj602098.inktomisearch.com 1
72.30.128.142 lj602115.inktomisearch.com 13
72.30.132.115 lj601981.inktomisearch.com 2
72.30.132.222 lj602048.inktomisearch.com 1
72.30.133.34 lj602061.inktomisearch.com 2
144.136.106.226 CPE-144-136-106-226.nsw.bigpond.net.au 18
193.47.80.37 crawl1.exabot.com 1
207.46.98.54 msnbot.msn.com 2
207.46.98.55 msnbot.msn.com 4
207.46.98.56 msnbot.msn.com 2
207.46.98.57 msnbot.msn.com 1
207.46.98.131 msnbot.msn.com 6
207.46.98.132 msnbot.msn.com 6
207.46.98.133 msnbot.msn.com 12
In case you're wondering, inktomi = Yahoo!