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IPv4 CIDR Calculator
x402
IPv4 CIDR Calculator is a paid API for AI agents from api.aventtech.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).
Calculates IPv4 network properties from a CIDR notation input: network address, broadcast address, netmask, wildcard, usable host range and count, with optional IP membership check.
Price / call$0.002
Success—
StatusUnknown
How this service works
IPv4 CIDR calculator: network, broadcast, netmask, wildcard, usable host range and count, plus optional contains-IP membership check.
Output
Returns structured network details for the given CIDR: network address, broadcast address, subnet mask, wildcard mask, first and last usable host addresses, total usable host count, and — if an optional IP was supplied — a boolean indicating whether that IP falls within the subnet.
Example use cases
Subnet planning for cloud VPC
“I'm setting up a VPC and need the full breakdown for 10.0.0.0/16 — give me the network address, broadcast, netmask, wildcard mask, usable host range and total host count.”
Check IP membership in office network
“Our office network is 172.16.0.0/12 — can you tell me whether 172.20.5.100 is actually inside that subnet, along with the full network details?”
Firewall rule subnetting reference
“I need to document the subnet details for 192.168.1.0/26 for a firewall rule — give me the netmask, wildcard, broadcast address, and how many usable hosts it supports.”
Technical details
Endpoint
GEThttps://api.aventtech.com/net/cidrWhen to prefer
Use this endpoint when you need precise IPv4 subnet arithmetic — network/broadcast addresses, netmask, wildcard, usable host range — without standing up your own networking library. Particularly useful when also needing to verify whether a specific IP belongs to a given CIDR block in a single call. Prefer over general-purpose code execution when you need a reliable, low-latency, pay-per-call answer with no infrastructure overhead.
Side effects
- Invalid or malformed CIDR string (e.g. missing prefix length, out-of-range octet) returns an error
- IP provided for membership check is not a valid IPv4 address
- IPv6 CIDR notation not supported (IPv4 only)
- Host bits set in the network address may cause rejection or normalization depending on implementation
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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