Is there any tool to separate country based domain?

I have thousands of websites based on their category (medical, agri, etc.,)
# Want to find their register country.
# Is there any tool to find bulk whois domain with their domain register country
# Don't say .cn, .uk, .us,... i know the ext., i want if it is .com. .net sites.....

thanks

I think whorush can help you to do this.