إِبْرَاهِيمُ is a person's proper name and بَاكِسْتَانُ is a country's proper name. Each was already a proper name in a non-Arabic language, and both meet the stated letter condition. Proper-name status and foreignness therefore combine, so both are ghayr munsarif.
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Clear Foreign Proper Names
Causes of Ghayr Munsarif: Proper Names and Foreign Origin
إِبْرَاهِيمُ is a person's proper name and بَاكِسْتَانُ is a country's proper name. Each was already a proper name in a non-Arabic language, and both meet the stated letter condition. Proper-name status and foreignness therefore combine, so both are ghayr munsarif.