{
  "ip": "18.97.14.91",
  "family": 4,
  "ptr": "18-97-14-91.crawl.commoncrawl.org",
  "asn": 14618,
  "asname": "Amazon",
  "prefix": "18.97.0.0/18",
  "lookup": "https://robtex.com/en/ip-lookup/18/97/14/91",
  "reputation": "https://rbls.org/en/ip-reputations/18.97.14.91",
  "tcp": {
    "mtu": 1500,
    "mss": 1448,
    "pmtu": 1500,
    "snd_wscale": 7,
    "rcv_wscale": 7,
    "rtt_ms": 2.1,
    "min_rtt_ms": 2.1,
    "congestion": "bbr",
    "options": {
      "timestamps": true,
      "sack": false,
      "wscale": true,
      "ecn": false,
      "ecn_seen": false,
      "fastopen": false
    },
    "mtu_derivation": "1448 (MSS) + 12 (timestamps) + 20 (TCP) + 20 (IP) = 1500",
    "mss_derivation": "1500 (MTU) - 20 (IP) - 20 (TCP) - 12 (timestamps) = 1448",
    "retrans": 0,
    "total_retrans": 0,
    "lost": 0,
    "retransmits": 0,
    "reordering": 3,
    "bytes_retrans": 0,
    "delivery_rate": 2034660,
    "delivery_rate_human": "16.3 Mbit/s",
    "pacing_rate": 20068517,
    "pacing_rate_human": "160.5 Mbit/s",
    "snd_cwnd": 13,
    "rcv_ssthresh": 64088,
    "notsent_bytes": 0,
    "rcv_rtt_ms": null,
    "bytes_sent": 4423,
    "bytes_acked": 3818,
    "bytes_received": 810,
    "segs_in": 7,
    "segs_out": 7,
    "notes": []
  },
  "html": "https://ipv4.robtex.com/html",
  "formats": {
    "ip": "https://ipv4.robtex.com/ip",
    "json": "https://ipv4.robtex.com/json",
    "html": "https://ipv4.robtex.com/html",
    "md": "https://ipv4.robtex.com/md",
    "text": "https://ipv4.robtex.com/text"
  },
  "alternates": {
    "ipv4": "https://ipv4.robtex.com/json",
    "ipv6": "https://ipv6.robtex.com/json",
    "ip": "https://ip.robtex.com/json"
  }
}