{
  "meta": {
    "subject": "Roblox group 650642152",
    "retrieved": "2026-09-09T23:10:42.234Z",
    "licence": "Measured by roregister.com from public Roblox APIs. Free to reuse with attribution to roregister.com. Not affiliated with Roblox Corporation.",
    "notes": {
      "member_history": "insert-on-change; a point exists only where the value differed from the prior reading.",
      "detection_dates": "ownership/name changes are dated when this register observed them, not when they happened."
    }
  },
  "group": {
    "id": 650642152,
    "name": "MasterTank",
    "created": "2025-07-30T09:25:46.176Z",
    "owner_user_id": 9048900488,
    "member_count": 12390,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:14:45.095Z",
    "last_measured": "2026-09-09T22:21:53.646Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:14:45.095Z",
      "member_count": 12369
    },
    {
      "measured_at": "2026-08-10T19:09:22.801Z",
      "member_count": 12369
    },
    {
      "measured_at": "2026-08-13T10:40:31.458Z",
      "member_count": 12375
    },
    {
      "measured_at": "2026-08-14T15:12:53.568Z",
      "member_count": 12374
    },
    {
      "measured_at": "2026-08-16T02:20:56.029Z",
      "member_count": 12375
    },
    {
      "measured_at": "2026-08-18T18:40:59.427Z",
      "member_count": 12374
    },
    {
      "measured_at": "2026-08-21T07:50:57.905Z",
      "member_count": 12373
    },
    {
      "measured_at": "2026-08-22T18:11:17.334Z",
      "member_count": 12372
    },
    {
      "measured_at": "2026-08-23T22:50:35.776Z",
      "member_count": 12371
    },
    {
      "measured_at": "2026-08-24T12:10:44.655Z",
      "member_count": 12370
    },
    {
      "measured_at": "2026-08-28T13:30:29.465Z",
      "member_count": 12376
    },
    {
      "measured_at": "2026-08-28T21:02:15.575Z",
      "member_count": 12377
    },
    {
      "measured_at": "2026-08-29T04:41:30.314Z",
      "member_count": 12378
    },
    {
      "measured_at": "2026-08-29T06:40:20.229Z",
      "member_count": 12379
    },
    {
      "measured_at": "2026-08-29T10:22:27.554Z",
      "member_count": 12380
    },
    {
      "measured_at": "2026-08-29T16:10:51.000Z",
      "member_count": 12379
    },
    {
      "measured_at": "2026-08-30T03:32:42.824Z",
      "member_count": 12378
    },
    {
      "measured_at": "2026-08-31T00:32:48.028Z",
      "member_count": 12383
    },
    {
      "measured_at": "2026-09-03T19:10:54.772Z",
      "member_count": 12382
    },
    {
      "measured_at": "2026-09-04T04:51:22.618Z",
      "member_count": 12383
    },
    {
      "measured_at": "2026-09-04T14:21:53.379Z",
      "member_count": 12384
    },
    {
      "measured_at": "2026-09-04T16:20:49.679Z",
      "member_count": 12383
    },
    {
      "measured_at": "2026-09-06T20:01:06.225Z",
      "member_count": 12382
    },
    {
      "measured_at": "2026-09-07T07:30:25.801Z",
      "member_count": 12383
    },
    {
      "measured_at": "2026-09-07T17:00:55.141Z",
      "member_count": 12384
    },
    {
      "measured_at": "2026-09-07T20:50:41.046Z",
      "member_count": 12385
    },
    {
      "measured_at": "2026-09-08T19:41:34.066Z",
      "member_count": 12386
    },
    {
      "measured_at": "2026-09-08T23:31:22.107Z",
      "member_count": 12387
    },
    {
      "measured_at": "2026-09-09T11:00:35.652Z",
      "member_count": 12388
    },
    {
      "measured_at": "2026-09-09T12:51:33.748Z",
      "member_count": 12389
    },
    {
      "measured_at": "2026-09-09T18:32:15.148Z",
      "member_count": 12390
    }
  ],
  "name_history": [
    {
      "name": "MasterTank",
      "first_seen": "2026-08-10T12:14:45.095Z",
      "last_seen": "2026-09-09T22:21:53.646Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T19:09:22.801Z",
      "previous_owner": null,
      "new_owner": 9048900488
    }
  ]
}