IP in API is Read-Only, why?

IP in API is Read-Only, why?

I can add an asset with all parameters via API, but when I add IP parameters to it this error appears:
{
    "response_status": {
        "status_code": 4000,
        "messages": [
            {
                "status_code": 4014,
                "field": "ip_addresses",
                "type": "failed",
                "message": "Read only field cannot be edited"
            }
        ],
        "status": "failed"
    }
}
--
Ip address is a read-only ? How I can edit it via API?

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