It is narrated from Ibn Abbas (may Allah be pleased with him) that regarding the places for entering into Ihram, it is reported from the Prophet (peace be upon him) in the same manner as the hadith of Sufyan (may Allah be pleased with him) concerning the Miqats.
Hadith Referenceمسند الإمام الشافعي / كتاب الحج / 763
Hadith Takhrijصحيح موصولاً : اخرجه البخاري الحج، باب مهل اهل مكة للحج والعمرة (1524)، (1530) ومسلم، الحج، باب مواقيت الحج (1181)۔