Ldap3 python code returns only 20000 entries maximum

Question

The below code returns only 20000 entries. How to fetch all the data from the active directory using ldap3? please help.

import ldap3
import pandas as pd

conn = ldap3.Connection("172.0.0.0", "CN=OSP AD,OU=Generic ID,OU=asdf,OU=asdf,DC=bundl,DC=in", "*****",
                    auto_bind=True)
conn.search("ou=swiggy,DC=bundl,DC=in", "(cn=*)", attributes=['*'], size_limit=0)
print(conn.entries)

data = conn.entries

df = pd.DataFrame(data)