While the exact string "grupe_lm_as_sugrizau" does not match a single official entity, it likely refers to a social media group, marketing campaign, or a community tag used in contexts like:

Read about As sugrizau by Pompa and see the artwork, lyrics and similar artists. www.last.fm

Read about As sugrizau by Pompa and see the artwork, lyrics and similar artists. www.last.fm As sugrizau — Pompa | Last.fm