Builders Club HeadQuarters #4777618

members (measured 13 Aug 2026, 16:18 UTC)

4 March 2019

created (per Roblox API)

10 August 2026

first measured by this register

Membership history

Growth

Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.

Measurement log — every members count we have recorded
Measured (UTC)	Members	Change
13 Aug 2026, 16:18	2	first reading

Ownership

Owned by Astolf0 (@CelestinaDream) as measured.

Members we’ve seen

Astolf0 (@CelestinaDream) — Owner (rank 255)

A sample — only members this register has independently measured, highest rank first. Not the full roster.

Related groups

Groups whose measured members overlap with this one — a sample from our membership graph.

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Current.#34852864 · 1 shared members

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Powerful Studio#5522949 · 1 shared members

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(学乱) Gakuran#416091513 · 1 shared members

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16bitplay Games#3233280 · 1 shared members

7,250,756

KizmoTek Studio#3115970 · 1 shared members

6,990,487

RELL World#1226491 · 1 shared members

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Easy.gg#5774246 · 1 shared members

4,721,797

Open data

Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)

Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.