Do Google's bots crawl proxy servers?

Do Google's bots crawl our sites directly or G bots have proxy setting?


Thanks

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Ok, try another way to say
For example US AT&T may have big data servers to catch caches as a proxy for its customers.
The question is : will Google sometimes crawl your site pages from AT&T server instead of crawl your site pages directly?

Thanks,

Regards,

 

using a proxy to create a competitive search that the bot prefers is a pretty neat way of elbowing the competition out of the serps.