If you go to Wiki, supposedly Janes has estimates of about 60 F4 Phantoms, 20 F14 Tomcats and maybe 50 Russian fighters with a smattering of Chinese.
https://en.wikipedia.org/wiki/Islamic_Republic_of_Iran_Air_Force#Current_composition
Could be about right. As I recall, we sold 79 F-14A to the Shah of Iran.