nostr:npub18znyslzd7qy03saq0u667nr2hltxja5dkhka02qczlykmp8dx7qs2j7c68 nostr:npub1aem2tstsjh9yxetrn9732y3x44dj3sw7rtjesv09vlmzxvtryk5s29r94a I'm guessing it's router..turn off one network wifi . Computers can slow down, and so can routers. If wired internet is fine, buy a new router and add to existing network allowing old Comcast router to be gateway