{"name":"subnet","title":"IPv4 Subnet / CIDR Calculator","category":"developer","description":"Network, broadcast, netmask, usable host range and counts for an IPv4 CIDR block.","price_usd":0.001,"input_schema":{"type":"object","properties":{"cidr":{"type":"string","description":"CIDR string, e.g. '192.168.1.0/24' (or use ip + prefix)"},"ip":{"type":"string","description":"IPv4 address, e.g. '192.168.1.10'"},"prefix":{"type":"integer","description":"Prefix length 0-32"}},"additionalProperties":false}}