Php warnings when using BIN file for higher level only like e.g. just Country level

Problem/Motivation

E.g.

Warning: Undefined array key "addressType" in Drupal\ip2location\EventSubscriber\InitSubscriber->onEvent() (line 73 of modules/contrib/ip2location/src/EventSubscriber/InitSubscriber.php).

Steps to reproduce

Use BIN file for just country

Proposed resolution

Make code avoid warnings

Remaining tasks

MR

User interface changes

N/A

API changes

N/A

Data model changes

N/A