{
  "meta": {
    "subject": "Roblox group 17311984",
    "retrieved": "2026-09-09T21:35:23.858Z",
    "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": 17311984,
    "name": "Ultrаmar",
    "created": "2023-03-30T01:20:34.863Z",
    "owner_user_id": 196273008,
    "member_count": 4098,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T16:58:50.517Z",
    "last_measured": "2026-09-09T20:05:41.231Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T18:17:13.607Z",
      "member_count": 4205
    },
    {
      "measured_at": "2026-08-10T21:16:22.010Z",
      "member_count": 4202
    },
    {
      "measured_at": "2026-08-12T13:31:18.671Z",
      "member_count": 4201
    },
    {
      "measured_at": "2026-08-13T14:24:50.475Z",
      "member_count": 4200
    },
    {
      "measured_at": "2026-08-14T23:03:50.150Z",
      "member_count": 4201
    },
    {
      "measured_at": "2026-08-15T02:30:13.164Z",
      "member_count": 4200
    },
    {
      "measured_at": "2026-08-15T16:01:44.108Z",
      "member_count": 4199
    },
    {
      "measured_at": "2026-08-15T19:26:05.894Z",
      "member_count": 4198
    },
    {
      "measured_at": "2026-08-16T13:57:42.682Z",
      "member_count": 4197
    },
    {
      "measured_at": "2026-08-16T18:59:09.660Z",
      "member_count": 4196
    },
    {
      "measured_at": "2026-08-19T05:29:22.487Z",
      "member_count": 4195
    },
    {
      "measured_at": "2026-08-19T11:04:38.435Z",
      "member_count": 4196
    },
    {
      "measured_at": "2026-08-19T22:01:42.488Z",
      "member_count": 4195
    },
    {
      "measured_at": "2026-08-20T05:14:53.013Z",
      "member_count": 4092
    },
    {
      "measured_at": "2026-08-20T07:45:11.075Z",
      "member_count": 4091
    },
    {
      "measured_at": "2026-08-21T13:24:32.173Z",
      "member_count": 4092
    },
    {
      "measured_at": "2026-08-22T18:34:59.855Z",
      "member_count": 4091
    },
    {
      "measured_at": "2026-08-23T04:52:18.789Z",
      "member_count": 4084
    },
    {
      "measured_at": "2026-08-23T04:57:41.490Z",
      "member_count": 4083
    },
    {
      "measured_at": "2026-08-23T07:41:38.206Z",
      "member_count": 4085
    },
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      "member_count": 4084
    },
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      "member_count": 4083
    },
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      "member_count": 4084
    },
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      "member_count": 4083
    },
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      "measured_at": "2026-08-25T17:43:24.471Z",
      "member_count": 4082
    },
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      "member_count": 4083
    },
    {
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      "member_count": 4085
    },
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      "member_count": 4086
    },
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      "measured_at": "2026-08-27T17:41:44.339Z",
      "member_count": 4087
    },
    {
      "measured_at": "2026-08-29T09:01:47.968Z",
      "member_count": 4088
    },
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      "measured_at": "2026-08-29T16:43:28.314Z",
      "member_count": 4089
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      "member_count": 4089
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      "member_count": 4088
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      "member_count": 4087
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    {
      "measured_at": "2026-09-01T17:11:41.507Z",
      "member_count": 4088
    },
    {
      "measured_at": "2026-09-01T23:54:48.824Z",
      "member_count": 4089
    },
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      "member_count": 4088
    },
    {
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      "member_count": 4087
    },
    {
      "measured_at": "2026-09-05T03:02:44.467Z",
      "member_count": 4086
    },
    {
      "measured_at": "2026-09-05T12:21:51.487Z",
      "member_count": 4089
    },
    {
      "measured_at": "2026-09-06T00:09:22.768Z",
      "member_count": 4094
    },
    {
      "measured_at": "2026-09-06T10:57:59.575Z",
      "member_count": 4096
    },
    {
      "measured_at": "2026-09-06T21:05:11.458Z",
      "member_count": 4097
    },
    {
      "measured_at": "2026-09-07T03:45:15.883Z",
      "member_count": 4099
    },
    {
      "measured_at": "2026-09-07T11:43:18.541Z",
      "member_count": 4098
    },
    {
      "measured_at": "2026-09-08T01:59:11.946Z",
      "member_count": 4097
    },
    {
      "measured_at": "2026-09-08T18:39:04.877Z",
      "member_count": 4098
    }
  ],
  "name_history": [
    {
      "name": "Ultrаmar",
      "first_seen": "2026-08-10T16:58:44.375Z",
      "last_seen": "2026-09-09T20:05:41.231Z",
      "current": true
    }
  ],
  "ownership_events": []
}