Search Engine Spiders List
When search engine spiders crawl your Web site you may want to identify them by their name, user agent, or IP address. This list was compiled to provide a reference sheet of information for the most popular search engine spiders.
| Bot Name | User Agent | Spider IP addresses |
| Googlebot | Googlebot | 216.239.46., 64.68.8, 64.68.9, 164.71.1., 192.51.44. |
| Alexa | ia_archiver | 66.28.250., 209.237.238. |
| Inktomi | Slurp/ | 216.35.116., 66.196., 66.94.230., 202.212.5. |
| Infoseek | Infoseek | 204.162.9, 205.226.203, 206.3.30., 210.236.233. |
| AltaVista | Scooter | 194.221.84., 204.123.28., 208.221.35, 212.187.226., 66.17.148. |
| Lycos | Lycos | 208.146.27., 209.202.19, 209.67.22, 202.232.118. |
| FAST | alltheweb | 146.101.142.2, 216.35.112., 64.41.254.2, 213.188.8. |
| WiseNut | WISEnut | 64.241.243., 209.249.67.1, 216.34.42., 66.35.208. |
| MSN | msnbot | 131.107.3., 204.95.98., 131.107.1, 65.54.164.95 |
| Looksmart | MARTINI | 64.241.242., 207.138.42.212 |
| Ask Jeeves | teoma | 216.200.130., 216.34.121., 63.236.92.1, 64.55.148., 65.192.195., 65.214.36. |
