Medium: Managing your GCP inventory with Cloud Asset API

search_reserved_ip.py

def search_reserved_ips():
    # create client
    client = asset_v1.AssetServiceClient()
    
    # init request
    request = asset_v1.SearchAllResourcesRequest(
        scope="projects/myproject-123",
        asset_types=[
            "compute.googleapis.com/Address",
        ],
        query="NOT state:in_use",
    )
    
    # make request
    page_result = client.search_all_resources(request=request)
    
    # handle response
    for response in page_result:
        print(response)