{
  "backhaul": {
    "generated_at": "2026-11-06T09:59:30Z",
    "interval": "6h0m0s",
    "routes": [
      {
        "backbones": [
          "163",
          "CT"
        ],
        "city": "北京",
        "final_rtt_ms": 159.61,
        "hops": 13,
        "isp": "telecom",
        "line": "电信 163",
        "name": "电信",
        "target_ip": "106.37.71.253",
        "traced_at": "2026-11-06T09:58:38Z"
      },
      {
        "backbones": [
          "4837"
        ],
        "city": "北京",
        "final_rtt_ms": 187.02,
        "hops": 11,
        "isp": "unicom",
        "line": "联通 4837",
        "name": "联通",
        "target_ip": "111.199.232.1",
        "traced_at": "2026-11-06T09:58:44Z"
      },
      {
        "backbones": [
          "CMI",
          "CMNET"
        ],
        "city": "北京",
        "final_rtt_ms": 218.12,
        "hops": 13,
        "isp": "mobile",
        "line": "移动 CMI",
        "name": "移动",
        "target_ip": "221.179.155.161",
        "traced_at": "2026-11-06T09:58:49Z"
      },
      {
        "backbones": [
          "163",
          "CT"
        ],
        "city": "上海",
        "final_rtt_ms": 136.51,
        "hops": 10,
        "isp": "telecom",
        "line": "电信 163",
        "name": "电信",
        "target_ip": "202.96.209.133",
        "traced_at": "2026-11-06T09:58:54Z"
      },
      {
        "backbones": [
          "4837"
        ],
        "city": "上海",
        "final_rtt_ms": 191.87,
        "hops": 11,
        "isp": "unicom",
        "line": "联通 4837",
        "name": "联通",
        "target_ip": "210.22.97.1",
        "traced_at": "2026-11-06T09:58:59Z"
      },
      {
        "backbones": [
          "CMI",
          "CMNET"
        ],
        "city": "上海",
        "final_rtt_ms": 182.67,
        "hops": 14,
        "isp": "mobile",
        "line": "移动 CMI",
        "name": "移动",
        "target_ip": "211.136.112.200",
        "traced_at": "2026-11-06T09:59:05Z"
      },
      {
        "backbones": [
          "163",
          "CT"
        ],
        "city": "广州",
        "final_rtt_ms": 159.82,
        "hops": 12,
        "isp": "telecom",
        "line": "电信 163",
        "name": "电信",
        "target_ip": "14.22.48.18",
        "traced_at": "2026-11-06T09:59:11Z"
      },
      {
        "backbones": [
          "4837"
        ],
        "city": "广州",
        "final_rtt_ms": 196.04,
        "hops": 12,
        "isp": "unicom",
        "line": "联通 4837",
        "name": "联通",
        "target_ip": "210.21.196.6",
        "traced_at": "2026-11-06T09:59:16Z"
      },
      {
        "backbones": [
          "CMI",
          "CMNET"
        ],
        "city": "广州",
        "final_rtt_ms": 201.65,
        "hops": 13,
        "isp": "mobile",
        "line": "移动 CMI",
        "name": "移动",
        "target_ip": "120.196.165.24",
        "traced_at": "2026-11-06T09:59:23Z"
      }
    ]
  },
  "conclusion": "截至 11月6日 17:59，FMT Fremont 北上广回程：电信全走 163，联通全走 4837，移动全走 CMI，平均延迟 136–204 ms。",
  "datacenter": "FMT Fremont",
  "facts": [
    "截至 2026-11-06 17:59（北京时间），本站 FMT Fremont 测试机到国内九个三网节点的回程线路实测为：北京电信：电信 163；北京联通：联通 4837；北京移动：移动 CMI；上海电信：电信 163；上海联通：联通 4837；上海移动：移动 CMI；广州电信：电信 163；广州联通：联通 4837；广州移动：移动 CMI。",
    "最近 2 小时从 FMT Fremont 到国内的 Ping 延迟（每 5 分钟采样一次，更新于 2026-11-06 18:39（北京时间））：北京电信 平均 160 ms（最低 159 / 最高 160，丢包 7.5%）；北京联通 平均 187 ms（最低 187 / 最高 187，丢包 0.0%）；北京移动 平均 198 ms（最低 185 / 最高 237，丢包 7.2%）；上海电信 平均 136 ms（最低 135 / 最高 137，丢包 6.2%）；上海联通 平均 192 ms（最低 192 / 最高 192，丢包 0.0%）；上海移动 平均 181 ms（最低 168 / 最高 219，丢包 1.9%）；广州电信 平均 160 ms（最低 159 / 最高 160，丢包 7.8%）；广州联通 平均 196 ms（最低 196 / 最高 196，丢包 14.7%）；广州移动 平均 204 ms（最低 201 / 最高 239，丢包 0.0%）。"
  ],
  "ipv4": "174.137.54.65",
  "latency": {
    "generated_at": "2026-11-06T10:39:18Z",
    "interval": "5m0s",
    "stats": [
      {
        "city": "北京",
        "isp": "telecom",
        "ip": "106.37.71.253",
        "name": "电信",
        "last_ms": 159.4,
        "avg_ms": 159.52,
        "min_ms": 159.4,
        "max_ms": 159.91,
        "loss_pct": 7.5,
        "samples": 32
      },
      {
        "city": "北京",
        "isp": "unicom",
        "ip": "111.199.232.1",
        "name": "联通",
        "last_ms": 186.8,
        "avg_ms": 186.87,
        "min_ms": 186.79,
        "max_ms": 187.27,
        "loss_pct": 0,
        "samples": 32
      },
      {
        "city": "北京",
        "isp": "mobile",
        "ip": "221.179.155.161",
        "name": "移动",
        "last_ms": 235.4,
        "avg_ms": 197.6,
        "min_ms": 185.39,
        "max_ms": 236.51,
        "loss_pct": 7.19,
        "samples": 32
      },
      {
        "city": "上海",
        "isp": "telecom",
        "ip": "202.96.209.133",
        "name": "电信",
        "last_ms": 136.44,
        "avg_ms": 136.26,
        "min_ms": 135.15,
        "max_ms": 136.69,
        "loss_pct": 6.25,
        "samples": 32
      },
      {
        "city": "上海",
        "isp": "unicom",
        "ip": "210.22.97.1",
        "name": "联通",
        "last_ms": 191.59,
        "avg_ms": 191.65,
        "min_ms": 191.56,
        "max_ms": 191.86,
        "loss_pct": 0,
        "samples": 32
      },
      {
        "city": "上海",
        "isp": "mobile",
        "ip": "211.136.112.200",
        "name": "移动",
        "last_ms": 218.6,
        "avg_ms": 180.64,
        "min_ms": 168.49,
        "max_ms": 218.6,
        "loss_pct": 1.88,
        "samples": 32
      },
      {
        "city": "广州",
        "isp": "telecom",
        "ip": "14.22.48.18",
        "name": "电信",
        "last_ms": 159.58,
        "avg_ms": 159.72,
        "min_ms": 159.48,
        "max_ms": 159.94,
        "loss_pct": 7.81,
        "samples": 32
      },
      {
        "city": "广州",
        "isp": "unicom",
        "ip": "210.21.196.6",
        "name": "联通",
        "last_ms": 195.75,
        "avg_ms": 195.78,
        "min_ms": 195.69,
        "max_ms": 196.35,
        "loss_pct": 14.69,
        "samples": 32
      },
      {
        "city": "广州",
        "isp": "mobile",
        "ip": "120.196.165.24",
        "name": "移动",
        "last_ms": 238.88,
        "avg_ms": 203.73,
        "min_ms": 201.34,
        "max_ms": 238.88,
        "loss_pct": 0,
        "samples": 32
      }
    ],
    "window": "最近 2 小时"
  },
  "license": "数据可自由引用，请注明来源 https://fmt.bwg.net/",
  "location": "美国 加州弗里蒙特",
  "methodology": "https://fmt.bwg.net/about",
  "publisher": "搬瓦工中文网",
  "publisher_url": "https://www.bandwagonhost.net/",
  "site": "搬瓦工 FMT 演示站",
  "updated_at": "2026-11-06T10:39:18Z",
  "url": "https://fmt.bwg.net/"
}