Sequencing Access-List Entries and Revising the Access List. Idea is create an another list say Counter with a field to hold your initial counter value. How to Use Sequence Numbers in an IP Access List.
Ip access-list standard 5 enter then add or delete your entry.
To enter specific sequential number codes such as purchase order numbers you can use the ROW function together with the TEXT function. Enables privileged EXEC mode. If the user enters an entry without a sequence number it is assigned a sequence number that is 10 greater than the last sequence number in that access list and is placed at the end of the list. When using the access-list command to create or add ACEs to a numbered ACL each new ACE you enter is added to the end of the current list.