It was narrated from Abu Hurairah that:
the Messenger of Allah (ﷺ) ruled concerning preemption of land that has not been divided; if the boundaries have been set then there is no preemption. (DE)
English reference (DE): Vol. 3, Book 17, Hadith 2497 (DE)
Arabic reference (DE): Book 17, Hadith 2592 (DE)