Run this script on your ExtremeWireless controller (IdentiFi).
https://pastebin.com/5xssmciU
Output as follows
D8:84:66:60:E9:60 authorized Rama-158
D8:84:66:60:E9:61 authorized Rama-158
D8:84:66:60:E9:68 authorized Rama-158
D8:84:66:60:E9:69 authorized Rama-158
D8:84:66:60:F3:60 authorized Rama-154
D8:84:66:60:F3:61 authorized Rama-154