networks:
  vault-network:
    ipam:
      config:
        - subnet: 172.21.0.0/24


[
    {
        "Name": "stafnet",
        "Id": "b76866ceac4d612e3627bb04e9dad8a0a46d535cd1497eba288bcb92e732c720",
        "Created": "2022-09-19T16:35:55.755889778+03:00",
        "Scope": "local",
        "Driver": "bridge",
        "EnableIPv6": false,
        "IPAM": {
            "Driver": "default",
            "Options": null,
            "Config": [
                {
                    "Subnet": "172.20.0.0/16",
                    "Gateway": "172.20.0.1"
                }
            ]
        },
        "Internal": false,
        "Attachable": false,
        "Ingress": false,
        "ConfigFrom": {
            "Network": ""
        },
        "ConfigOnly": false,
        ...
    }
]