[
  {
    "start": "192.168.1.10",
    "end": "192.168.1.10",
    "purpose": [
      "assigned-ip"
    ],
    "num_addresses": 1
  },
  {
    "start": "192.168.1.100",
    "end": "192.168.1.200",
    "purpose": [
      "dynamic"
    ],
    "num_addresses": 101
  }
]