Are you trying to find business leads, potential new clients, or you want to check the details of your competitors audience, then Instagram is the best place to find them, I'll prepare for you an organized excel file that contains the:
Usernames
PublicEmails
Country Codes
Public Phone Numbers
FullNames
Bios
Followers Count
Followings Count
PostsCount
Websites Urls
InstaCategories
Street Addresses
Zip Codes
of Instagram users that i'll find them using Hashtags, Followers or Followings of other accounts from any niche or country you want.