{"machine":"cidr-calc","slot":"S155","title":"CIDR subnet calculator","how_to_call":"POST https://innernetcorp.com/machines/cidr-calc with Content-Type: application/json","price_usd":"$0.003","currencies":["USDC","EURC"],"payment":"x402: send the POST without payment to receive a 402 with signed requirements; pay any option and retry.","input_example":{"cidr":"192.168.4.0/22","contains":"192.168.7.200"},"input_schema":{"type":"object"},"summary":"Subnet math for IPv4 CIDR blocks: network, broadcast, usable host range, mask, host count - and whether an IP is inside.","catalog":"/catalog"}