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Vextorium IP Subnet Calculator
x402
Vextorium IP Subnet Calculator is a paid API for AI agents from api.vextorium.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-13).
Calculates IPv4/IPv6 subnet details (network, mask, wildcard, broadcast, first/last host, usable hosts, address type) and optionally checks if a given IP belongs to the subnet.
Price / call$0.003
Success—
StatusUnknown
How this service works
IPv4/IPv6 subnet calculator: network, mask, wildcard, broadcast, first/last host, usable hosts, address type (private, public, loopback...) and whether a given IP belongs to the subnet.
Output
A JSON object containing: network address (red), full CIDR notation, subnet mask (mascara), prefix length, wildcard mask, broadcast address, first and last usable host, total addresses, usable host count, IP version (4 or 6), address type (private/public/loopback etc.), IP class (A/B/C), the original input, and optionally an object indicating whether a tested IP belongs to the subnet and which IP was tested.
Example use cases
Network planning for office subnets
“I'm designing a network and need full details for the 10.10.0.0/22 subnet — network address, broadcast, first and last usable host, total hosts, and whether it's private.”
Verify if server IP is in subnet
“Can you tell me whether 172.16.45.200 belongs to the subnet 172.16.32.0/20? Also give me the broadcast address and how many hosts fit in that subnet.”
IPv6 subnet inspection
“Break down the IPv6 subnet 2001:db8::/48 for me — I need the network address, prefix length, first and last host, and total addresses.”
Technical details
Endpoint
POSThttps://api.vextorium.com/subred-ip-pago?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a complete subnet computation from a single CIDR string without setting up local networking libraries, or when you need to programmatically check IP membership in a subnet. Ideal for agents doing network planning, infrastructure validation, or IP address management tasks. Prefer this over general-purpose code execution when a quick, accurate, paid-per-call computation is acceptable.
Side effects
- Invalid or malformed CIDR notation returns an error
- Missing required 'cidr' field causes a 400-level error
- Out-of-range prefix length (e.g. /33 for IPv4) causes computation failure
- Malformed optional IP in comprobar_ip may return null membership result
- Network timeouts may occur under load
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"red": "192.168.1.64",
"cidr": "192.168.1.64/26",
"tipo": "privada",
"clase": "C",
"entrada": "192.168.1.77/26",
"mascara": "255.255.255.192",
"prefijo": 26,
"version": 4,
"wildcard": "0.0.0.63",
"broadcast": "192.168.1.127",
"primer_host": "192.168.1.65",
"ultimo_host": "192.168.1.126",
"comprobar_ip": {
"ip": "192.168.1.100",
"pertenece": true
},
"hosts_utiles": 62,
"total_direcciones": 64
}
}Tags
x402
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