@@ -4676,6 +4676,25 @@ definitions:

           such as number of nodes, and expiration are included.

         type: "string"

         example: "Community Engine"

+      DefaultAddressPools:

+        description: |

+          List of custom default address pools for local networks, which can be

+          specified in the daemon.json file or dockerd option.

+

+          Example: a Base "10.10.0.0/16" with Size 24 will define the set of 256

+          10.10.[0-255].0/24 address pools.

+        type: "array"

+        items:

+          type: "object"

+          properties:

+            Base:

+              description: "The network address in CIDR format"

+              type: "string"

+              example: "10.10.0.0/16"

+            Size:

+              description: "The network pool size"

+              type: "integer"

+              example: "24"

       Warnings:

         description: |

           List of warnings / informational messages about missing features, or

@@ -203,15 +203,16 @@ type Info struct {

 	// LiveRestoreEnabled determines whether containers should be kept

 	// running when the daemon is shutdown or upon daemon start if

 	// running containers are detected

-	LiveRestoreEnabled bool

-	Isolation          container.Isolation

-	InitBinary         string

-	ContainerdCommit   Commit

-	RuncCommit         Commit

-	InitCommit         Commit

-	SecurityOptions    []string

-	ProductLicense     string `json:",omitempty"`

-	Warnings           []string

+	LiveRestoreEnabled  bool

+	Isolation           container.Isolation

+	InitBinary          string

+	ContainerdCommit    Commit

+	RuncCommit          Commit

+	InitCommit          Commit

+	SecurityOptions     []string

+	ProductLicense      string `json:",omitempty"`

+	DefaultAddressPools []NetworkAddressPool

+	Warnings            []string

 }

 // KeyValue holds a key/value pair

@@ -219,6 +220,12 @@ type KeyValue struct {

 	Key, Value string

 }

+// NetworkAddressPool is a temp struct used by Info struct

+type NetworkAddressPool struct {

+	Base string

+	Size int

+}

+

 // SecurityOpt contains the name and options of a security option

 type SecurityOpt struct {

 	Name    string

@@ -78,6 +78,7 @@ func (daemon *Daemon) SystemInfo() *types.Info {

 	daemon.fillPluginsInfo(v)

 	daemon.fillSecurityOptions(v, sysInfo)

 	daemon.fillLicense(v)

+	daemon.fillDefaultAddressPools(v)

 	if v.DefaultRuntime == config.LinuxV1RuntimeName {

 		v.Warnings = append(v.Warnings, fmt.Sprintf("Configured default runtime %q is deprecated and will be removed in the next release.", config.LinuxV1RuntimeName))

@@ -229,6 +230,15 @@ func (daemon *Daemon) fillAPIInfo(v *types.Info) {

 	}

 }

+func (daemon *Daemon) fillDefaultAddressPools(v *types.Info) {

+	for _, pool := range daemon.configStore.DefaultAddressPools.Value() {

+		v.DefaultAddressPools = append(v.DefaultAddressPools, types.NetworkAddressPool{

+			Base: pool.Base,

+			Size: pool.Size,

+		})

+	}

+}

+

 func hostName() string {

 	hostname := ""

 	if hn, err := os.Hostname(); err != nil {