https://www.countryipblocks.net/country_selection.php
Linkteki siteden ülke seçiniz .htaccess ile yapmanız mümkün.
Örnek:
order deny,allow
deny from all

allow from 5.10.72.72/29
allow from 5.10.78.240/29
allow from 5.10.83.0/25
.
.
.