Good day @bsgmartin,
The ping test results seem passing. Could you please try this additional test to help us with the investigation.
CONTINUOUS PING: To conduct a continuous ping, ensure that none of your other PCs are doing internet activity. Open up the command prompt of one of your PCs. Then kindly conduct ping tests to the following: Modem Gateway (depending on the make&model of the modem, example: 192.168.1.1) Command: ping 192.168.1.1 -n 1000 TPG website: tpg.com.au Command: ping tpg.com.au -n 1000 Wait for the test to finish and for the PING STATISTICS, found at the end, to show up. Just post a screenshot or a copy of the PING STATISTICS. TRACEROUTE To conduct a trace route, On your command prompt, type "tracert <URL of website>". TPG website Command: tracert tpg.com.au Wait for the traceroute to finish and take a screenshot of the results.
... View more