Try nyo boss mag wired connection, change ng DNS to 8.8.8.8 or disable VPN kung meron man. Alternative is, using a hotspot 5g mobile data kung maimprove man yung ping mo.
Pwede mo rin i try Wtfast na program kung makakatulong. If not, ISP traffic na nga yan at maganda i contact mo yung ISP mo kung matutulugan ka