No, it's not a normal response. Row 23004 may be blank, so that's where
the filter stops.
To check the range, select a cell near the top of the list
Hold the Ctrl key, and press the * key, to select the range.
Scroll down, to see if extends beyond row 23004.
If it doesn't, delete the blank rows, which may be hidden
If it does, remove the AutoFilter, select the range, then reapply the
AutoFilter.