search hash type

Hello folk

i have hashes which look like this:
1j/WhMWfRWBchSo3OjrU/A==
1n13CXRj9ZbrTG/MCgq0NQ==
1nEDaOid/Vo=
1rxtZWK3SSk=
1s1En4dRzys=

However, I cannot identify the hashtype. Can you help me?

thx