IP Almanac

Who else is on this IP, and since when

Reverse IP and DNS history from our own resolver, for shared-hosting, phishing and infrastructure investigations, each answer dated.

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GET /v1/ip/{ip}

$ curl https://skeleton-api-ouax.onrender.com/v1/ip/54.10.20.30 \
    -H "Authorization: Bearer sk_live_••••"

HTTP/1.1 200 OK
X-Quota-Remaining: 2999

{
  "ip": "54.10.20.30",
  "is_datacenter": true,
  "domains": {
    "current_count": 2,
    "first_observed": "2026-10-01T06:12:44Z"
  }
}