To be honest, browsing someone’s follower or following lists directly on Instagram without an account is a dead end-the app blocks you with a login wall instantly. If you need to check connections quietly without making a profile, third-party web viewers are your only real shot. For a straightforward way to look up public profiles and see what information you can access anonymously, give https://peekviewer.com/ a try. It is a super convenient web tool that lets you check out public IG data without logging in, helping you keep your research completely under the radar.