{
  "meta": {
    "subject": "Roblox group 12489521",
    "retrieved": "2026-09-04T14:52:53.619Z",
    "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": 12489521,
    "name": "【OT】大都池電鉄 Ootoike corporation",
    "created": "2021-10-05T12:51:01.447Z",
    "owner_user_id": 2659559541,
    "member_count": 3693,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:06:42.497Z",
    "last_measured": "2026-09-04T14:40:21.085Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:06:42.497Z",
      "member_count": 3660
    },
    {
      "measured_at": "2026-08-11T02:05:28.979Z",
      "member_count": 3661
    },
    {
      "measured_at": "2026-08-11T03:22:29.454Z",
      "member_count": 3662
    },
    {
      "measured_at": "2026-08-11T07:44:48.195Z",
      "member_count": 3663
    },
    {
      "measured_at": "2026-08-11T11:45:24.857Z",
      "member_count": 3666
    },
    {
      "measured_at": "2026-08-11T13:00:53.984Z",
      "member_count": 3667
    },
    {
      "measured_at": "2026-08-11T13:54:27.660Z",
      "member_count": 3668
    },
    {
      "measured_at": "2026-08-12T01:46:09.118Z",
      "member_count": 3669
    },
    {
      "measured_at": "2026-08-12T11:00:44.363Z",
      "member_count": 3668
    },
    {
      "measured_at": "2026-08-12T12:40:39.560Z",
      "member_count": 3667
    },
    {
      "measured_at": "2026-08-13T11:49:39.912Z",
      "member_count": 3669
    },
    {
      "measured_at": "2026-08-14T08:38:57.318Z",
      "member_count": 3668
    },
    {
      "measured_at": "2026-08-14T18:32:22.991Z",
      "member_count": 3670
    },
    {
      "measured_at": "2026-08-16T13:52:07.741Z",
      "member_count": 3675
    },
    {
      "measured_at": "2026-08-17T23:12:04.918Z",
      "member_count": 3674
    },
    {
      "measured_at": "2026-08-18T01:25:30.356Z",
      "member_count": 3673
    },
    {
      "measured_at": "2026-08-18T09:30:22.305Z",
      "member_count": 3674
    },
    {
      "measured_at": "2026-08-18T12:32:09.819Z",
      "member_count": 3675
    },
    {
      "measured_at": "2026-08-20T02:41:31.408Z",
      "member_count": 3676
    },
    {
      "measured_at": "2026-08-21T01:40:13.898Z",
      "member_count": 3677
    },
    {
      "measured_at": "2026-08-21T09:12:03.890Z",
      "member_count": 3678
    },
    {
      "measured_at": "2026-08-22T14:31:48.267Z",
      "member_count": 3679
    },
    {
      "measured_at": "2026-08-23T09:40:43.445Z",
      "member_count": 3680
    },
    {
      "measured_at": "2026-08-23T11:31:53.460Z",
      "member_count": 3681
    },
    {
      "measured_at": "2026-08-23T20:39:20.352Z",
      "member_count": 3682
    },
    {
      "measured_at": "2026-08-24T04:00:56.491Z",
      "member_count": 3683
    },
    {
      "measured_at": "2026-08-24T16:10:54.559Z",
      "member_count": 3682
    },
    {
      "measured_at": "2026-08-25T01:00:40.821Z",
      "member_count": 3683
    },
    {
      "measured_at": "2026-08-25T08:40:14.965Z",
      "member_count": 3682
    },
    {
      "measured_at": "2026-08-25T15:50:45.655Z",
      "member_count": 3683
    },
    {
      "measured_at": "2026-08-26T15:51:17.493Z",
      "member_count": 3682
    },
    {
      "measured_at": "2026-08-27T13:49:44.774Z",
      "member_count": 3683
    },
    {
      "measured_at": "2026-08-27T22:21:35.495Z",
      "member_count": 3684
    },
    {
      "measured_at": "2026-08-28T07:20:05.345Z",
      "member_count": 3685
    },
    {
      "measured_at": "2026-08-28T09:11:09.241Z",
      "member_count": 3684
    },
    {
      "measured_at": "2026-08-28T09:50:58.400Z",
      "member_count": 3685
    },
    {
      "measured_at": "2026-08-29T00:12:39.397Z",
      "member_count": 3684
    },
    {
      "measured_at": "2026-08-30T10:50:15.557Z",
      "member_count": 3685
    },
    {
      "measured_at": "2026-08-31T04:00:22.610Z",
      "member_count": 3686
    },
    {
      "measured_at": "2026-08-31T10:21:02.596Z",
      "member_count": 3687
    },
    {
      "measured_at": "2026-08-31T14:53:36.622Z",
      "member_count": 3688
    },
    {
      "measured_at": "2026-09-01T08:32:41.447Z",
      "member_count": 3687
    },
    {
      "measured_at": "2026-09-01T14:20:44.565Z",
      "member_count": 3686
    },
    {
      "measured_at": "2026-09-01T15:13:43.419Z",
      "member_count": 3687
    },
    {
      "measured_at": "2026-09-02T07:30:22.232Z",
      "member_count": 3688
    },
    {
      "measured_at": "2026-09-03T11:01:59.815Z",
      "member_count": 3689
    },
    {
      "measured_at": "2026-09-04T07:00:48.288Z",
      "member_count": 3690
    },
    {
      "measured_at": "2026-09-04T10:10:24.829Z",
      "member_count": 3691
    },
    {
      "measured_at": "2026-09-04T10:50:30.516Z",
      "member_count": 3692
    },
    {
      "measured_at": "2026-09-04T12:01:24.737Z",
      "member_count": 3693
    }
  ],
  "name_history": [
    {
      "name": "【OT】大都池電鉄 Ootoike corporation",
      "first_seen": "2026-08-10T12:06:42.497Z",
      "last_seen": "2026-09-04T14:40:21.085Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T15:41:48.820Z",
      "previous_owner": null,
      "new_owner": 2659559541
    }
  ]
}