Which state separated from the golden horde in the middle of the 15th century?

The Golden Horde existed for about 200 years and finally collapsed by the middle of the 15th century, several states separated from it between 1440-1460:
Big Horde. She occupied the steppe lands in the lower reaches of the Don. It was with her that Grand Duke Ivan III fought in the 1470s, defeated Khan Akhmat and soon the Great Horde was finished.
The Crimean Khanate, it occupied not only the Crimea, but also the Azov and Black Sea regions, existed the longest, until 1783.
Astrakhan Khanate. It appeared in the lower reaches of the Volga, there were no special problems for the Russian principalities from it.
Kazan Khanate. It existed for about 100 years, and managed to be a vassal of Moscow and fight with it from 1506 to 1552.
Siberian Khanate. It behaved quietly, completely broken by 1598.



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