Alcatraz Federal Penitentiary #1123091
4
members (measured 13 Aug 2026, 04:33 UTC)
20 June 2014
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 We do not publish numbers we have not measured.
| Measured (UTC) | Members | Change |
|---|---|---|
| 13 Aug 2026, 04:33 | 4 | first reading |
Ownership
Owned by user #4735589650 as measured.
Members we’ve seen
@Noob_D00by1 — Inmates (rank 1)
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.
Top Down Games#5292947 · 1 shared members
2,352,621Roblox Cafe Trolling Community#8007577 · 1 shared members
171HelpingBacons group#15915153 · 1 shared members
104BrahTrain Studios#32456104 · 1 shared members
31- Shootingxstars -#9711487 · 1 shared members
18I like dinos -.-#9753547 · 1 shared members
18SavagePavan group#14687012 · 1 shared members
14~ken’s Cat’s~#13699598 · 1 shared members
13DA SQUAD (Official)#4870622 · 1 shared members
10Enchanted Clothing.#5598503 · 1 shared members
8{The Strawberry_Cafe}#7152027 · 1 shared members
7Lulu’s clothes <3#11313262 · 1 shared members
6Open 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.