Import Cisco ACL(2000+ rows) from Cisco ACE to F5

So my understanding is these are ACL's to restrict access to VIPs on the ACE, so load-balancing Virtual Servers on the F5's.

From this expect AFM (Advanced Firewall Manager) is likely to be your best option on the target F5 devices, as long are/can be licensed and provisioned. Although not seeing the full solution difficult to make a convulsive recommendation.

Based on these assumptions you can migrate your ACL's into AFM Network Security Policies however this is not that simple as the approach is different in the F5 AFM than Cisco ACL.

I did start on a Python script for this a few years ago for a project but not sure how useful it would be for you. Will see if I can dig it out and share with you.