It is narrated from Amr bin Dinar, he says: "I saw Aban and Ata bin Abi Rabah, indeed Abdullah bin Umar (may Allah be pleased with them) performed Tawaf of the House of Allah after the (Fajr) prayer and prayed before the sun had risen."
Hadith Referenceمسند الإمام الشافعي / كتاب الصلاة / 164