how to find people who are not in beginners protection perio

whomever i try to attack are in beginners protection period. How to find people who are not in beginners protection period.

try to attack them

try attacking people who are above 3rd baron, since the beginners protection gets worn off after a week(7 days) or after they achieve the "3rd baron" title

The most frequently used method is to send 1 Cavalry ahead of your army by itself.
If the cav gets through, they're open for attack.

Adz