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@0509masa

Index @0509masa #2770401847

31 July 2021
account created (per Roblox API)
22 Aug 2026, 15:05
last measured (UTC)

Username record

@0509masa — observed 22 August 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)

Open data

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

Also a member of

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Blue Lock Rivals Unofficial Fans#34671275 · Member
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Scriptbloxian Studios#4705120 · Legend
30,020,400
Gamer Robot Inc#4372130 · Member
19,659,267
Chillz Studios#2782840 · 🌟Royal Member🌟
18,663,994
Bee Swarm Simulator Club#3982592 · Member
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Roblox#7 · Member
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BIG Games™#2703304 · Fan
11,256,095
The Flamingo Fan Club#3336691 · December 5th we will all do something
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(学乱) Gakuran#416091513 · Students
7,518,642
Roblox High School: Fan Club#1127093 · New Fan (Unranked)
7,012,458
Slap Battles#9950771 · BELOVED FAN <3
6,732,687
Fisching#7381705 · Fischer
6,204,688
Paradoxum Games#4914494 · Player
6,062,355
rip_family#13189664 · Rip_Family
5,657,882
xFrozen Obbys#16908756 · Member
5,607,204
Tycoon Playground#10446127 · Member
5,469,725
Jule Games#13031751 · Member
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Forsaken Dev Team#33548380 · Member
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Volleyball Game Group#35330702 · Volleyballer
4,567,768
The MonkeyMan Fan Club#14765325 · Member
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Typical Games#2649054 · Member
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Nova Wave Games#14089766 · Member
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Thinking Project#1235888 · noob
4,152,435
ひみつのおるすばん:Secret Staycation#33331483 · メンバー - Member
4,137,271
Frosted Studio#3385385 · Fans
4,044,630
Telanthric Development#15022320 · Player
3,975,466
InfinityInteractive#11257245 · Fans
3,216,371
Pаrаgоn#3352473 · Member
2,878,850
Current x Blackstar#36012725 · Member
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Zombie Attack Official#3576655 · Member
2,801,549
Plaything Games#25 · gamers
2,491,335
RED21 Games#32445464 · Member
2,394,057
Minimal Games#12564376 · Member
2,202,325
Nighty Studio#8098236 · Supporter ⭐
2,061,423
Moonlight Productions.#7311036 · Member
1,860,559
uma racing Community#376874468 · Member
1,760,319
drowningsome#32418371 · my army
1,605,603
Sparkling Studios ⋆#34361923 · Member
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Tycoon Typhoon#3234576 · New
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Polaroid Studios#15422038 · Pre-Alpha Players
1,263,456
PlayCombatWarriors#5192826 · Combat Warrior
1,203,797
TurboByte Games#32517397 · Player
1,173,061
Dueling Grounds#35562865 · Member
1,101,222
Tachyon Games#11109344 · Member
1,079,877
Merge Empire#34856937 · Member
869,473
ZO by Voldex#10378847 · Supporters
866,125
Titanic Ship Builders!#2978092 · Builder
810,119
Tou Interactive#35933367 · Member
733,802
Handcrafted Games#33099266 · Member
718,127
Project.inf#34250047 · Member
615,220
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588,103
COS.Studio#162575880 · Member
575,697
The Sparkle Time Studio#2618316 · Supporter
569,815
Minerblocks Studios#6520255 · Group Member 🔨
478,826
Wrecking Games#14420159 · Fan
452,196
Real Heat Studios#17385992 · 👥Member
441,795
SG Studios.#16711834 · Member
358,139
latenci#35758109 · Owner
308,636
Blox Survivors#636062271 · Member
272,892
Tumore#9835935 · Member
268,023
Archived Library#32725402 · Member
252,361
Slap Battles UGC#15583302 · UGC Enjoyer
250,744
Slayer Online Group#15293456 · Slayer
238,058
Sword Slasher#15788336 · Member
235,862
Heaven Stand : Studio#14969442 · Heavenly Member
232,428
Game Thing#2799610 · Fans
221,670
Ignited Softworks#32553628 · Member
219,406
りりちよグループ(Ririchiyo Group)#12203168 · りりちよリスナー
218,122
Old Snowflake Studio V#691165326 · 🎮 | Players
182,758
Project Mirror Labyrinth#127473071 · Member
179,356
YN Studio#5272520 · Member
171,108
wareDEV#4454344 · Supporter
156,610
TaIentless#17013472 · 👥 | Members
143,792
GiTcHeD Games#8312836 · Error
115,320
TITLE 99#17081294 · Member
112,981
RealBlock Miners#34628648 · Member
99,771
Sans Multiverse & Sans vs Chara#5319738 · Member
87,953
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83,378
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74,690
タコボンドの部屋#11117224 · メンバー
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ROBLABO@ロブラボ#14871740 · ⚓ロブナー
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Coos Studios#529007519 · Musician
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ありきたり.#35086866 · メンバー / Member
50,611
laki group#6098209 · member
50,232
The Peanut Community#6262402 · 🧂🤪Salty Peanut🤪🧂
33,617
Nothing no#5365698 · Pacifist Sans
32,352
ナマコの海原#13585961 · メンバ
31,265
[大日本帝国軍]Imperial Japanese Army#14557011 · 二等兵
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Undertale Final Multiverse#11551922 · Member
26,811
Undertale: Timeline Reset#16611098 · Member
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Hikakin from the far east#32810423 · メンバー
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mystic studios (cooler)#11596026 · Member
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iku's studio#35509019 · Fan
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Membership and rank as measured from this user’s public group list.