{
    "target": "216.73.216.23",
    "family": "IPv4",
    "path_mtu": "undetermined (ICMP likely blocked by your router)",
    "probes": [
        {
            "mtu": 1500,
            "payload": 1460,
            "ok": false
        },
        {
            "mtu": 1492,
            "payload": 1452,
            "ok": false
        },
        {
            "mtu": 1480,
            "payload": 1440,
            "ok": false
        },
        {
            "mtu": 1450,
            "payload": 1410,
            "ok": false
        },
        {
            "mtu": 1400,
            "payload": 1360,
            "ok": false
        },
        {
            "mtu": 1280,
            "payload": 1240,
            "ok": false
        }
    ],
    "note": "Largest DF (do-not-fragment) packet that reached you. 1500 = clean path; lower = something on the path has a smaller MTU. Requires your router to allow inbound ICMP."
}