Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
@mastermp

@mastermp #4980830

24 October 2009
account created (per Roblox API)
27 Sept 2026, 22:44
last measured (UTC)

Username record

@mastermp — observed 27 September 2026

Roblox’s API lists prior usernames without dates; the dates above are when this register observed each name, which bounds — but is not — the change date.

Groups owned (as measured)

First Shock Army#219002
23
Roblox Assault Recon Elite Security Team#168911
11
RARE Navy Fleet 1#210393
4

Open data

Download this user’s observed record: username history (CSV) · record (JSON)

Also a member of

Assassin Stealth League (ASL)#127158 · 【Pending】
300
SOLDIER Corp#182896 · Class 3(Teacher)
73
R.A.R.E. Navy Division#151700 · Vice Admiral
69
R.A.R.E. Air Force Division#145151 · Air Force General
18
United Empire of Allied Forces#203440 · 【1】 Supporters
15
ASL Space Division#365401 · Galactic General
12

Membership and rank as measured from this user’s public group list.