{
  "meta": {
    "subject": "Roblox group 5104718",
    "retrieved": "2026-09-09T22:36:23.753Z",
    "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": 5104718,
    "name": "Rails of Ostrava",
    "created": "2019-08-11T18:13:13.987Z",
    "owner_user_id": 75463895,
    "member_count": 20393,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:18:24.303Z",
    "last_measured": "2026-09-09T22:20:49.977Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:18:24.302Z",
      "member_count": 20371
    },
    {
      "measured_at": "2026-08-10T23:28:14.626Z",
      "member_count": 20376
    },
    {
      "measured_at": "2026-08-12T11:43:35.547Z",
      "member_count": 20378
    },
    {
      "measured_at": "2026-08-14T23:57:06.018Z",
      "member_count": 20377
    },
    {
      "measured_at": "2026-08-15T14:40:51.741Z",
      "member_count": 20384
    },
    {
      "measured_at": "2026-08-15T20:00:50.200Z",
      "member_count": 20385
    },
    {
      "measured_at": "2026-08-16T06:06:16.983Z",
      "member_count": 20384
    },
    {
      "measured_at": "2026-08-16T21:20:55.922Z",
      "member_count": 20382
    },
    {
      "measured_at": "2026-08-17T16:40:32.329Z",
      "member_count": 20387
    },
    {
      "measured_at": "2026-08-19T13:36:31.056Z",
      "member_count": 20386
    },
    {
      "measured_at": "2026-08-19T16:20:50.795Z",
      "member_count": 20385
    },
    {
      "measured_at": "2026-08-20T12:15:30.244Z",
      "member_count": 20384
    },
    {
      "measured_at": "2026-08-21T12:11:34.259Z",
      "member_count": 20383
    },
    {
      "measured_at": "2026-08-21T17:27:26.842Z",
      "member_count": 20386
    },
    {
      "measured_at": "2026-08-21T23:37:16.586Z",
      "member_count": 20385
    },
    {
      "measured_at": "2026-08-22T20:40:59.003Z",
      "member_count": 20384
    },
    {
      "measured_at": "2026-08-24T10:50:46.674Z",
      "member_count": 20383
    },
    {
      "measured_at": "2026-08-26T09:31:46.719Z",
      "member_count": 20382
    },
    {
      "measured_at": "2026-08-29T07:56:24.118Z",
      "member_count": 20381
    },
    {
      "measured_at": "2026-08-29T14:51:13.004Z",
      "member_count": 20380
    },
    {
      "measured_at": "2026-08-29T21:31:46.447Z",
      "member_count": 20379
    },
    {
      "measured_at": "2026-08-31T06:34:22.275Z",
      "member_count": 20378
    },
    {
      "measured_at": "2026-08-31T12:21:41.953Z",
      "member_count": 20377
    },
    {
      "measured_at": "2026-09-01T19:29:35.083Z",
      "member_count": 20375
    },
    {
      "measured_at": "2026-09-04T14:07:33.112Z",
      "member_count": 20374
    },
    {
      "measured_at": "2026-09-05T19:20:48.336Z",
      "member_count": 20396
    },
    {
      "measured_at": "2026-09-06T07:07:21.383Z",
      "member_count": 20395
    },
    {
      "measured_at": "2026-09-07T09:25:05.432Z",
      "member_count": 20394
    },
    {
      "measured_at": "2026-09-07T21:30:06.511Z",
      "member_count": 20393
    }
  ],
  "name_history": [
    {
      "name": "Rails of Ostrava",
      "first_seen": "2026-08-10T12:18:24.302Z",
      "last_seen": "2026-09-09T22:20:49.977Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T13:58:45.341Z",
      "previous_owner": null,
      "new_owner": 75463895
    }
  ]
}