Parses incremental changes to MCC - MNC in bulletins > 1162, and create an incremental change on top of the 1162 extract.
Wikipedia lists administrative companies with number of subscribers: https://en.wikipedia.org/wiki/List_of_mobile_network_operators And revenues: https://en.wikipedia.org/wiki/List_of_telephone_operating_companies Those 2 generally encompasses several national MNOs.
See if / how the list of national MNO can be linked to companies listed in this table.
All submarine cables and landing points: https://www.submarinecablemap.com/
Add the Google Android MNO db: https://android.googlesource.com/platform/packages/providers/TelephonyProvider/+/main/assets/latest_carrier_id/carrier_list.textpb https://android.googlesource.com/platform/packages/apps/CarrierConfig/+/refs/heads/main/assets/