Once you have filtered you will get the customer list.

The number of records per page can be edited, on Customers the default is set to 10.
You can see the records you are viewing, for example, below is showing that I am on Page 2 with 10 results per page, showing results 11 to 20 of 22.

You can change records per page by selecting on the dropdown, and selecting an option.

If you would like to refilter the list you can select the filter at the bottom right of the page.