/var/lib/NetworkManager/internal-05c32b5f-6a7e-4b7b-a858-a19fd3d6a5a3-wlo1.lease /var/lib/NetworkManager/internal-4eb92ca8-bc1c-3546-9ba9-cfd0dc4fda00-enp0s25.lease
These are the two files I was looking for. I found them quite by accident. I hope you will find them useful.
