justJump. #11912457
Game studiosENtrampoline parkroleplaysimulation
Description
Welcome to justJump! The biggest Trampoline Park on ROBLOX. Operations starting soon habibi... justJump! | Managed by ur marj.
Written by the group; not a statement by this register.
Membership history
Growth
| Measured (UTC) | Members | Change |
|---|---|---|
| 4 Oct 2026, 02:11 | 1,546 | -1 |
| 22 Sept 2026, 07:51 | 1,547 | -1 |
| 5 Sept 2026, 23:00 | 1,548 | -1 |
| 2 Sept 2026, 08:02 | 1,549 | -1 |
| 31 Aug 2026, 21:41 | 1,550 | -1 |
| 10 Aug 2026, 12:14 | 1,551 | first reading |
Ownership
Owned by Homelander (@17zkx) as measured.
Claimed by user #1911123601 — observed between sweeps, detected 10 Aug 2026, 15:32 UTC
Detection dates bound when a change was seen by this register, not when it happened.
Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.
Experiences
Experiences this group owns, by lifetime visits. Live-player counts are from our last measurement.
Members we’ve seen
Homelander (@17zkx) — Founder (rank 255)
Sam (@svxmzz) — [-] Managing Director (rank 253)
Watermelon (@hhyrjhvu) — [-] Managing Director (rank 253) terminated
@DOPS2525 — Visitor (rank 1)
Joshy (@DefinitelyHarvey) — Visitor (rank 1)
ObeeseLuigi (@Doglover5749_ButAlt) — Visitor (rank 1)
el_bonice (@bruno91140) — Visitor (rank 1)
Bean (@DoStuff_WithBen) — Visitor (rank 1)
sam (@glowinqfaye) — Visitor (rank 1) terminated
@Toma20196 — Visitor (rank 1)
Welo (@WeloRBX) — Visitor (rank 1)
Niko (@TheMelanisticMan) — Visitor (rank 1)
@qx_r7 — Visitor (rank 1)
ooo (@Yosef_1327) — Visitor (rank 1)
peter (@pvtzer) — Visitor (rank 1)
osamason (@BrodyIsBac) — Visitor (rank 1)
ITZCHARLIE (@XxCharlie_luvsxx) — Visitor (rank 1)
Emoney (@Kawilz) — Visitor (rank 1)
Mason (@NamedMason) — Visitor (rank 1)
squidlol (@trayvonius) — Visitor (rank 1)
Ajamu (@Amila_142) — Visitor (rank 1)
dynox (@wojones) — Visitor (rank 1)
depressedfsufan (@Repli_cated) — Visitor (rank 1)
Daniel (@Dave000222) — Visitor (rank 1)
Lui (@EpicNurse26) — Visitor (rank 1)
A sample — only members this register has independently measured, highest rank first. Not the full roster.
Rank structure
Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).
Related groups
Groups whose measured members overlap with this one — a sample from our membership graph.
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.