agent402.tools IP Info

x402

agent402.tools IP Info is a paid API for AI agents from agent402.tools, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15).

Classifies an IP address returning its version, scope (public/private/loopback/link-local), integer form, and reverse-DNS PTR record

Price / call$0.002

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StatusUnknown

How this service works

Classify an IP address: version, public/private/loopback/link-local, integer form, and reverse-DNS (PTR) lookup.

Output

Returns the IP version (4 or 6), its scope classification (public, private, loopback, or link-local), the integer representation of the address, and the result of a reverse-DNS PTR lookup.

Example use cases

Example prompt

“Can you classify 8.8.8.8 for me — tell me if it's public or private, what IP version it is, its integer form, and do a reverse-DNS PTR lookup on it?”

Technical details

Endpoint

POSThttps://agent402.tools/api/ip-info

When to prefer

Choose this endpoint when you need a quick, all-in-one classification of a single IP address — covering version, scope, numeric form, and reverse-DNS — without setting up your own DNS resolver or IP parsing library. Ideal for enriching logs, validating user-submitted IPs, or checking whether an address is internal vs. external.

Side effects

Invalid or malformed IP address string returns a validation error
IP address with no PTR record returns empty or null for reverse-DNS field
IPv6 addresses in unusual notation may fail parsing
Missing required 'ip' field in request body returns a 400-level error
Network timeout during PTR lookup may cause partial or failed response

Input

{
  "ip": "8.8.8.8"
}

Schema · Request body

Field	Type	Description
ip	string	IPv4 or IPv6 address

Output

{
  "ip": "8.8.8.8",
  "ptr": [
    "dns.google"
  ],
  "scope": "public",
  "integer": 134744072,
  "version": 4
}

Schema · Response

{
  "type": "json",
  "example": {
    "ip": "8.8.8.8",
    "ptr": [
      "dns.google"
    ],
    "scope": "public",
    "version": 4
  }
}

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How this service works

Classify an IP address: version, public/private/loopback/link-local, integer form, and reverse-DNS (PTR) lookup.

Output

Returns the IP version (4 or 6), its scope classification (public, private, loopback, or link-local), the integer representation of the address, and the result of a reverse-DNS PTR lookup.

Technical details

Endpoint

POSThttps://agent402.tools/api/ip-info

When to prefer

Side effects

Invalid or malformed IP address string returns a validation error
IP address with no PTR record returns empty or null for reverse-DNS field
IPv6 addresses in unusual notation may fail parsing
Missing required 'ip' field in request body returns a 400-level error
Network timeout during PTR lookup may cause partial or failed response

Input

{
  "ip": "8.8.8.8"
}

Schema · Request body

Field	Type	Description
ip	string	IPv4 or IPv6 address

Output

{
  "ip": "8.8.8.8",
  "ptr": [
    "dns.google"
  ],
  "scope": "public",
  "integer": 134744072,
  "version": 4
}

Schema · Response

{
  "type": "json",
  "example": {
    "ip": "8.8.8.8",
    "ptr": [
      "dns.google"
    ],
    "scope": "public",
    "version": 4
  }
}