Applebot respects customary robots.txt rules and robots meta tags and originates in the 126.96.36.199 net block.
It's user-agent strings will contain “Applebot” together with additional agent information.
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/600.2.5 (KHTML, like Gecko) Version/8.0.2 Safari/600.2.5 (Applebot/0.1)
If robots instructions don't mention Applebot but do mention Googlebot, the Apple robot will follow Googlebot instructions.
If you have questions or concerns about the Applebot you can find contact information at the link below.
Read More [via AppleInsider]