{
  "id": 13872,
  "title": "IP address",
  "url": "/competitions/facebook-recruiting-iv-human-or-bot/discussion/13872",
  "author_name": "",
  "post_date": "2015-04-30T01:56:01.280Z",
  "votes": null,
  "comment_count": 4,
  "views": 1620,
  "content": "<p>Can I assume&nbsp;that obfuscated IP address belongs to the same country as original one?</p>",
  "messages": [
    {
      "id": "75545",
      "postDate": "04/30/2015 01:56:01",
      "content": "<p>Can I assume&nbsp;that obfuscated IP address belongs to the same country as original one?</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "75546",
      "postDate": "04/30/2015 01:58:59",
      "content": "<p>asked before looking into the data.&nbsp;Stupid question, please ignore it.</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "75739",
      "postDate": "04/30/2015 20:05:59",
      "content": "<p>Were any of the higher octets preserved when the IP addresses were obfuscated?</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "77212",
      "postDate": "05/06/2015 02:23:46",
      "content": "<p>Doesn't look like it. Also doesn't look like the octets were preserved in any manner, if you group by top 3 octets you get the same distribution as when you group by the bottom 3. So they may as well have hashed them.</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "77296",
      "postDate": "05/06/2015 10:46:46",
      "content": "<p>Agreed, IP Addresses do not appear to have been transformed in a manner that allows useful analysis. &nbsp; There are several network ranges which are unavailable for normal usage, this should mean that the first octet should have some gaps in it, this doesn't appear to be the case.</p>\n<p>.At best I think we all we may be able to see from the IP is if it has changed.</p>",
      "rawMarkdown": "",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 75546,
      "author_name": "podlipensky",
      "author_url": "",
      "post_date": "04/30/2015 01:58:59",
      "content": "<p>asked before looking into the data.&nbsp;Stupid question, please ignore it.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 75739,
      "author_name": "jlstamper",
      "author_url": "",
      "post_date": "04/30/2015 20:05:59",
      "content": "<p>Were any of the higher octets preserved when the IP addresses were obfuscated?</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 77212,
      "author_name": "g1685786",
      "author_url": "",
      "post_date": "05/06/2015 02:23:46",
      "content": "<p>Doesn't look like it. Also doesn't look like the octets were preserved in any manner, if you group by top 3 octets you get the same distribution as when you group by the bottom 3. So they may as well have hashed them.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 77296,
      "author_name": "danielthomas",
      "author_url": "",
      "post_date": "05/06/2015 10:46:46",
      "content": "<p>Agreed, IP Addresses do not appear to have been transformed in a manner that allows useful analysis. &nbsp; There are several network ranges which are unavailable for normal usage, this should mean that the first octet should have some gaps in it, this doesn't appear to be the case.</p>\n<p>.At best I think we all we may be able to see from the IP is if it has changed.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "75545": "",
    "75546": "",
    "75739": "",
    "77212": "",
    "77296": ""
  },
  "source": "meta"
}