Have you reset your router to factory defaults by any chance, or as I can on my Billion accidentally restarted it from the GUI and let it revert to factory settings? Whether you have or not, have you checked it is set to respond to pings? Similarly your IS firewall.
My broadband basic info/help site - www.robertos.me.uk.
Domains, site and mail hosting - Tsohost
Connection - AAISP Home::1 80/20. Sync 63086/13719Kbps @ 600m. BQMs - IPv4
Edited by RobertoS (Mon 08-May-17 09:36:08)