cidr, ip address count, subnet mask and wildcard mask reference

cidr_ip_count.json

[
  {
    "cidr": "/32",
    "subnet_mask": "255.255.255.255",
    "wildcard_mask": "0.0.0.0",
    "number_of_ip_address": 1
  },
  {
    "cidr": "/31",
    "subnet_mask": "255.255.255.254",
    "wildcard_mask": "0.0.0.1",
    "number_of_ip_address": 2
  },
  {
    "cidr": "/30",
    "subnet_mask": "255.255.255.252",
    "wildcard_mask": "0.0.0.3",
    "number_of_ip_address": 4
  },
  {
    "cidr": "/29",
    "subnet_mask": "255.255.255.248",
    "wildcard_mask": "0.0.0.7",
    "number_of_ip_address": 8
  },
  {
    "cidr": "/28",
    "subnet_mask": "255.255.255.240",
    "wildcard_mask": "0.0.0.15",
    "number_of_ip_address": 16
  },
  {
    "cidr": "/27",
    "subnet_mask": "255.255.255.224",
    "wildcard_mask": "0.0.0.31",
    "number_of_ip_address": 32
  },
  {
    "cidr": "/26",
    "subnet_mask": "255.255.255.192",
    "wildcard_mask": "0.0.0.63",
    "number_of_ip_address": 64
  },
  {
    "cidr": "/25",
    "subnet_mask": "255.255.255.128",
    "wildcard_mask": "0.0.0.127",
    "number_of_ip_address": 128
  },
  {
    "cidr": "/24",
    "subnet_mask": "255.255.255.0",
    "wildcard_mask": "0.0.0.255",
    "number_of_ip_address": 256
  },
  {
    "cidr": "/23",
    "subnet_mask": "255.255.254.0",
    "wildcard_mask": "0.0.1.255",
    "number_of_ip_address": 512
  },
  {
    "cidr": "/22",
    "subnet_mask": "255.255.252.0",
    "wildcard_mask": "0.0.3.255",
    "number_of_ip_address": 1024
  },
  {
    "cidr": "/21",
    "subnet_mask": "255.255.248.0",
    "wildcard_mask": "0.0.7.255",
    "number_of_ip_address": 2048
  },
  {
    "cidr": "/20",
    "subnet_mask": "255.255.240.0",
    "wildcard_mask": "0.0.15.255",
    "number_of_ip_address": 4096
  },
  {
    "cidr": "/19",
    "subnet_mask": "255.255.224.0",
    "wildcard_mask": "0.0.31.255",
    "number_of_ip_address": 8192
  },
  {
    "cidr": "/18",
    "subnet_mask": "255.255.192.0",
    "wildcard_mask": "0.0.63.255",
    "number_of_ip_address": 16384
  },
  {
    "cidr": "/17",
    "subnet_mask": "255.255.128.0",
    "wildcard_mask": "0.0.127.255",
    "number_of_ip_address": 32768
  },
  {
    "cidr": "/16",
    "subnet_mask": "255.255.0.0",
    "wildcard_mask": "0.0.255.255",
    "number_of_ip_address": 65536
  },
  {
    "cidr": "/15",
    "subnet_mask": "255.254.0.0",
    "wildcard_mask": "0.1.255.255",
    "number_of_ip_address": 131072
  },
  {
    "cidr": "/14",
    "subnet_mask": "255.252.0.0",
    "wildcard_mask": "0.3.255.255",
    "number_of_ip_address": 262144
  },
  {
    "cidr": "/13",
    "subnet_mask": "255.248.0.0",
    "wildcard_mask": "0.7.255.255",
    "number_of_ip_address": 524288
  },
  {
    "cidr": "/12",
    "subnet_mask": "255.240.0.0",
    "wildcard_mask": "0.15.255.255",
    "number_of_ip_address": 1048576
  },
  {
    "cidr": "/11",
    "subnet_mask": "255.224.0.0",
    "wildcard_mask": "0.31.255.255",
    "number_of_ip_address": 2097152
  },
  {
    "cidr": "/10",
    "subnet_mask": "255.192.0.0",
    "wildcard_mask": "0.63.255.255",
    "number_of_ip_address": 4194304
  },
  {
    "cidr": "/9",
    "subnet_mask": "255.128.0.0",
    "wildcard_mask": "0.127.255.255",
    "number_of_ip_address": 8388608
  },
  {
    "cidr": "/8",
    "subnet_mask": "255.0.0.0",
    "wildcard_mask": "0.255.255.255",
    "number_of_ip_address": 16777216
  },
  {
    "cidr": "/7",
    "subnet_mask": "254.0.0.0",
    "wildcard_mask": "1.255.255.255",
    "number_of_ip_address": 33554432
  },
  {
    "cidr": "/6",
    "subnet_mask": "252.0.0.0",
    "wildcard_mask": "3.255.255.255",
    "number_of_ip_address": 67108864
  },
  {
    "cidr": "/5",
    "subnet_mask": "248.0.0.0",
    "wildcard_mask": "7.255.255.255",
    "number_of_ip_address": 134217728
  },
  {
    "cidr": "/4",
    "subnet_mask": "240.0.0.0",
    "wildcard_mask": "15.255.255.255",
    "number_of_ip_address": 268435456
  },
  {
    "cidr": "/3",
    "subnet_mask": "224.0.0.0",
    "wildcard_mask": "31.255.255.255",
    "number_of_ip_address": 536870912
  },
  {
    "cidr": "/2",
    "subnet_mask": "192.0.0.0",
    "wildcard_mask": "63.255.255.255",
    "number_of_ip_address": 1073741824
  },
  {
    "cidr": "/1",
    "subnet_mask": "128.0.0.0",
    "wildcard_mask": "127.255.255.255",
    "number_of_ip_address": 2147483648
  },
  {
    "cidr": "/0",
    "subnet_mask": "0.0.0.0",
    "wildcard_mask": "255.255.255.255",
    "number_of_ip_address": 4294967296
  }
]