a family member who live is Australia who has a iphone with Vodafone AU and iinet as home internet

when they log in to check there gmail emails on iphone email

the login history in gmail says it connected from a telstra ip adress ( they not using a hot spot or fee wifi etc )

but when they use the gmail app it come up as a Vodafone au or iinet ip address

they change the password a number of times

is this normal

eg

Authorized Application (450232826690-0rm6bs9d2fps9tifvk2oodh3tasd7vl7.apps.googleusercontent.com)Hide details