user: I'm working on tracking the geographical locations of certain network requests for a project I'm involved in. Could you provide me the latitude and longitude for the IP addresses '192.168.1.1', '172.16.254.1', '10.0.0.1', and '192.0.2.1'?

Available functions:
name: get_coordinate_by_ip_address
description: Finds the latitude and longitude of an IP address.
parameters: type: dict
properties: ip_address: type: string
description: The IP address to find the location of.
required: ip_address