# IPv4 CIDR Subnet Mask, Broadcast, Network & Usable Host Range Calculator (`dev-ipv4-cidr-calculator`)
- **Status**: 200 OK | **Latency**: 1ms | **Cached**: true
- **Primary Authority**: 100% Platform Network Engineering Engine
- **License & Trust**: 100% Platform Owned Compute (public_third_party_api)
- **Verified At (UTC)**: 2026-10-27T17:28:57.763Z
- **Data Freshness**: cached
## Structured Data
```json
{
  "cidr": "192.168.1.0/24",
  "network_address": "192.168.1.0",
  "broadcast_address": "192.168.1.255",
  "subnet_mask": "255.255.255.0",
  "first_usable_host": "192.168.1.1",
  "last_usable_host": "192.168.1.254",
  "total_addresses": 256,
  "usable_hosts": 254
}
```
> **AI Agent Hint**: Agent Data Hub: ask anything via GET /api/v1/ask?q=..., whole tasks via /api/v1/bundles, up to 10 calls via POST /api/v1/batch. Add compact=1 or fields=a,b to save tokens. Docs: /llms.txt