Get a list of VMs in vCenter:

From here

1- Open the vSphere Client and connect to your vCenter
2- From the top menu go to View ==> Inventory ==> VMs & Templates
3- From the inventory list on the left side choose the VMs you want to include in your inventory export or choose a top level folder that includes the VMs you want to export
4- Choose the Virtual Machines tab from the the tabs on the top of the right side.
5- You might want to modify the filter to include other items like Virtual machines IPs, Hostname, & the similar.
6- From the top menu go to File => Export => Export list.
7- Choose the format you want to save the list into (CSV, Html, & XML are some of the available format).