Mobile Operators and ISP's buy bandwidth some of the bigger ones lay there own with other companies, I think its limited or maxed out getting into the Philippines. PLDT did a big upgrade in September 2020, there is some good local info here @ https://interaksyon.philstar.com/ho...ternet-including-connectivity-in-philippines/
Maybe Elons satellite array will take the pressure of the submarine network in the coming 5-10 years. We have to continue getting cat videos at ever increasing resolution delivered smoothly to educate tomorrows kids.