I think I found the real 57 states. ( 7th paragraph.)

..But they were not the only ones appalled by Israel's latest provocation. In an unusually swift response Ekmeleddin İhsanoğlu, the Secretary-General of the Organization of Islamic Cooperation (OIC), an umbrella body of 57 states, condemned the Israeli affront. He called on Muslim ambassadors to UNESCO to act immediately to stop Israeli aggression against the sacred Islamic and world heritage sites in occupied Jerusalem...