I think you are adding IP ranges under Security Controls -> Network Access -> Trusted IP Ranges. Add the IP range at Profile Level. Please see the path below. Profiles -> System Administrator -> Login IP Ranges
I hope this information helps you. please mark as a solution if this helps you.
@kk045,
Check here
You need to set IP ranges for the profie (ex:system administrator)
setup->administration setup->manage users->profile->select system admin profile->login ip ranges->add new
start ip- 0.0.0.0
end IP - 255.255.255.255
You will not get the verification after done the above changes
Deactivate Phone verification - setup->app setup->Critical updates-> deactivate phone verification
I hope this information helps you. please mark as a solution if this helps you.
Error: The range specified is too large
Add the IP range at Profile Level. Please see the path below.
Profiles -> System Administrator -> Login IP Ranges
I hope this information helps you. please mark as a solution if this helps you.