/usr/share/gnome-shell/extensions/ is in gnome-shell-extension-show-ip 8-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gnome-shell/extensions/show-ip@sgaraud.github.com/
/usr/share/gnome-shell/extensions/show-ip@sgaraud.github.com/convenience.js
/usr/share/gnome-shell/extensions/show-ip@sgaraud.github.com/extension.js
/usr/share/gnome-shell/extensions/show-ip@sgaraud.github.com/locale/
/usr/share/gnome-shell/extensions/show-ip@sgaraud.github.com/locale/fr/
/usr/share/gnome-shell/extensions/show-ip@sgaraud.github.com/locale/fr/LC_MESSAGES/
/usr/share/gnome-shell/extensions/show-ip@sgaraud.github.com/locale/fr/LC_MESSAGES/show-ip.mo
/usr/share/gnome-shell/extensions/show-ip@sgaraud.github.com/locale/fr/LC_MESSAGES/show-ip.po
/usr/share/gnome-shell/extensions/show-ip@sgaraud.github.com/metadata.json
/usr/share/gnome-shell/extensions/show-ip@sgaraud.github.com/prefs.js
/usr/share/gnome-shell/extensions/show-ip@sgaraud.github.com/schemas/
/usr/share/gnome-shell/extensions/show-ip@sgaraud.github.com/schemas/gschemas.compiled