PSA: Blocking USA Users But Allowing Googlebot Is Against Google's Webmaster Guidelines

Google sends its crew of crawlers, Googlebot, from the United States. That is where 99% of the crawling originates from. If you are not allowed to show your website to users based in the United States, then you also cannot show that website to Googlebot.

from Search Engine Roundtable https://ift.tt/La1ipRb