Cairo: workspaces with reliable internet
Regus
Al Sikka Al Tougari 19th Floor, Nile City Towers, North Tower, كورنيش النيل، بولاق1، بولاق، محافظة القاهرة 43113, Egypt
Regus is a workday option in Cairo. The venue website describes fast or reliable internet. The source link records the venue's claim.