| Search Engine | Robot / Spider | IP Address(es) |
| Alexa | ia_archiver | green.alexa.com sarah.alexa.com |
| AltaVista | Scooter
Mercator |
test-scooter.pa.alta-vista.net brillo.av.pa-x.dec.com av-dev4.pa.alta-vista.net mercator.pa-x.dec.com |
| AllTheWeb | FAST-WebCrawler | 209.67.247.154 |
| Excite | ArchitextSpider | Musical instruments are used in the name such as mandolin.excite.com |
| Googlebot | c##.googlebot.com | |
| Inktomi | Slurp/2.0 | slurp@inktomi.com |
| Teoma | teoma_agent1 | 63.236.92.148 |
