diff --git a/openstack/networking/v2/networks/requests.go b/openstack/networking/v2/networks/requests.go
index f4fbe97..f87ea87 100644
--- a/openstack/networking/v2/networks/requests.go
+++ b/openstack/networking/v2/networks/requests.go
@@ -113,7 +113,7 @@
 // The tenant ID that is contained in the URI is the tenant that creates the
 // network. An admin user, however, has the option of specifying another tenant
 // ID in the CreateOpts struct.
-func Create(c *gophercloud.ServiceClient, opts CreateOpts) (*NetworkCreateResult, error) {
+func Create(c *gophercloud.ServiceClient, opts CreateOpts) (*Network, error) {
 	// Define structures
 	type network struct {
 		AdminStateUp bool    `json:"admin_state_up,omitempty"`
@@ -125,7 +125,7 @@
 		Network network `json:"network"`
 	}
 	type response struct {
-		Network *NetworkCreateResult `json:"network"`
+		Network *Network `json:"network"`
 	}
 
 	// Populate request body
diff --git a/openstack/networking/v2/networks/requests_test.go b/openstack/networking/v2/networks/requests_test.go
index b637b50..1b309a0 100644
--- a/openstack/networking/v2/networks/requests_test.go
+++ b/openstack/networking/v2/networks/requests_test.go
@@ -41,14 +41,10 @@
                 "54d6f61d-db07-451c-9ab3-b9609b6b6f0b"
             ],
             "name": "private-network",
-            "provider:physical_network": null,
             "admin_state_up": true,
             "tenant_id": "4fd44f30292945e481c7b8a0c8908869",
-            "provider:network_type": "local",
-            "router:external": true,
             "shared": true,
-            "id": "d32019d3-bc6e-4319-9c1d-6722fc136a22",
-            "provider:segmentation_id": null
+            "id": "d32019d3-bc6e-4319-9c1d-6722fc136a22"
         },
         {
             "status": "ACTIVE",
@@ -56,14 +52,10 @@
                 "08eae331-0402-425a-923c-34f7cfe39c1b"
             ],
             "name": "private",
-            "provider:physical_network": null,
             "admin_state_up": true,
             "tenant_id": "26a7980765d0414dbc1fc1f88cdb7e6e",
-            "provider:network_type": "local",
-            "router:external": true,
             "shared": true,
-            "id": "db193ab3-96e3-4cb3-8fc5-05f4296d0324",
-            "provider:segmentation_id": null
+            "id": "db193ab3-96e3-4cb3-8fc5-05f4296d0324"
         }
     ]
 }
@@ -83,30 +75,22 @@
 
 		expected := []Network{
 			Network{
-				Status:  "ACTIVE",
-				Subnets: []string{"54d6f61d-db07-451c-9ab3-b9609b6b6f0b"},
-				Name:    "private-network",
-				ProviderPhysicalNetwork: "",
-				AdminStateUp:            true,
-				TenantID:                "4fd44f30292945e481c7b8a0c8908869",
-				ProviderNetworkType:     "local",
-				RouterExternal:          true,
-				Shared:                  true,
-				ID:                      "d32019d3-bc6e-4319-9c1d-6722fc136a22",
-				ProviderSegmentationID: 0,
+				Status:       "ACTIVE",
+				Subnets:      []string{"54d6f61d-db07-451c-9ab3-b9609b6b6f0b"},
+				Name:         "private-network",
+				AdminStateUp: true,
+				TenantID:     "4fd44f30292945e481c7b8a0c8908869",
+				Shared:       true,
+				ID:           "d32019d3-bc6e-4319-9c1d-6722fc136a22",
 			},
 			Network{
-				Status:  "ACTIVE",
-				Subnets: []string{"08eae331-0402-425a-923c-34f7cfe39c1b"},
-				Name:    "private",
-				ProviderPhysicalNetwork: "",
-				AdminStateUp:            true,
-				TenantID:                "26a7980765d0414dbc1fc1f88cdb7e6e",
-				ProviderNetworkType:     "local",
-				RouterExternal:          true,
-				Shared:                  true,
-				ID:                      "db193ab3-96e3-4cb3-8fc5-05f4296d0324",
-				ProviderSegmentationID: 0,
+				Status:       "ACTIVE",
+				Subnets:      []string{"08eae331-0402-425a-923c-34f7cfe39c1b"},
+				Name:         "private",
+				AdminStateUp: true,
+				TenantID:     "26a7980765d0414dbc1fc1f88cdb7e6e",
+				Shared:       true,
+				ID:           "db193ab3-96e3-4cb3-8fc5-05f4296d0324",
 			},
 		}
 
@@ -139,14 +123,10 @@
             "54d6f61d-db07-451c-9ab3-b9609b6b6f0b"
         ],
         "name": "private-network",
-        "provider:physical_network": null,
         "admin_state_up": true,
         "tenant_id": "4fd44f30292945e481c7b8a0c8908869",
-        "provider:network_type": "local",
-        "router:external": true,
         "shared": true,
-        "id": "d32019d3-bc6e-4319-9c1d-6722fc136a22",
-        "provider:segmentation_id": null
+        "id": "d32019d3-bc6e-4319-9c1d-6722fc136a22"
     }
 }
 			`)
@@ -158,12 +138,8 @@
 	th.AssertEquals(t, n.Status, "ACTIVE")
 	th.AssertDeepEquals(t, n.Subnets, []string{"54d6f61d-db07-451c-9ab3-b9609b6b6f0b"})
 	th.AssertEquals(t, n.Name, "private-network")
-	th.AssertEquals(t, n.ProviderPhysicalNetwork, "")
-	th.AssertEquals(t, n.ProviderNetworkType, "local")
-	th.AssertEquals(t, n.ProviderSegmentationID, 0)
 	th.AssertEquals(t, n.AdminStateUp, true)
 	th.AssertEquals(t, n.TenantID, "4fd44f30292945e481c7b8a0c8908869")
-	th.AssertEquals(t, n.RouterExternal, true)
 	th.AssertEquals(t, n.Shared, true)
 	th.AssertEquals(t, n.ID, "d32019d3-bc6e-4319-9c1d-6722fc136a22")
 }
@@ -197,20 +173,7 @@
         "name": "net1",
         "admin_state_up": true,
         "tenant_id": "9bacb3c5d39d41a79512987f338cf177",
-        "segments": [
-            {
-                "provider:segmentation_id": 2,
-                "provider:physical_network": "8bab8453-1bc9-45af-8c70-f83aa9b50453",
-                "provider:network_type": "vlan"
-            },
-            {
-                "provider:segmentation_id": null,
-                "provider:physical_network": "8bab8453-1bc9-45af-8c70-f83aa9b50453",
-                "provider:network_type": "stt"
-            }
-        ],
         "shared": false,
-        "port_security_enabled": true,
         "id": "4e8e5957-649f-477b-9e5b-f1f75b21c03c"
     }
 }
@@ -226,12 +189,7 @@
 	th.AssertEquals(t, n.Name, "net1")
 	th.AssertEquals(t, n.AdminStateUp, true)
 	th.AssertEquals(t, n.TenantID, "9bacb3c5d39d41a79512987f338cf177")
-	th.AssertDeepEquals(t, n.Segments, []NetworkProvider{
-		{ProviderSegmentationID: 2, ProviderPhysicalNetwork: "8bab8453-1bc9-45af-8c70-f83aa9b50453", ProviderNetworkType: "vlan"},
-		{ProviderSegmentationID: 0, ProviderPhysicalNetwork: "8bab8453-1bc9-45af-8c70-f83aa9b50453", ProviderNetworkType: "stt"},
-	})
 	th.AssertEquals(t, n.Shared, false)
-	th.AssertEquals(t, n.PortSecurityEnabled, true)
 	th.AssertEquals(t, n.ID, "4e8e5957-649f-477b-9e5b-f1f75b21c03c")
 }
 
@@ -292,14 +250,10 @@
         "status": "ACTIVE",
         "subnets": [],
         "name": "new_network_name",
-        "provider:physical_network": null,
         "admin_state_up": false,
         "tenant_id": "4fd44f30292945e481c7b8a0c8908869",
-        "provider:network_type": "local",
-        "router:external": false,
         "shared": true,
-        "id": "4e8e5957-649f-477b-9e5b-f1f75b21c03c",
-        "provider:segmentation_id": null
+        "id": "4e8e5957-649f-477b-9e5b-f1f75b21c03c"
     }
 }
 		`)
diff --git a/openstack/networking/v2/networks/results.go b/openstack/networking/v2/networks/results.go
index 7f9e51a..03cfb31 100644
--- a/openstack/networking/v2/networks/results.go
+++ b/openstack/networking/v2/networks/results.go
@@ -5,13 +5,6 @@
 	"github.com/rackspace/gophercloud/pagination"
 )
 
-// NetworkProvider represents provider extension data
-type NetworkProvider struct {
-	ProviderSegmentationID  int    `json:"provider:segmentation_id"`
-	ProviderPhysicalNetwork string `json:"provider:physical_network"`
-	ProviderNetworkType     string `json:"provider:network_type"`
-}
-
 // Network represents, well, a network.
 type Network struct {
 	// UUID for the network
@@ -29,18 +22,6 @@
 	TenantID string `mapstructure:"tenant_id" json:"tenant_id"`
 	// Specifies whether the network resource can be accessed by any tenant or not.
 	Shared bool `mapstructure:"shared" json:"shared"`
-
-	ProviderSegmentationID  int    `mapstructure:"provider:segmentation_id" json:"provider:segmentation_id"`
-	ProviderPhysicalNetwork string `mapstructure:"provider:physical_network" json:"provider:physical_network"`
-	ProviderNetworkType     string `mapstructure:"provider:network_type" json:"provider:network_type"`
-	RouterExternal          bool   `mapstructure:"router:external" json:"router:external"`
-}
-
-// NetworkCreateResult represents what is returned by a create operation.
-type NetworkCreateResult struct {
-	Network
-	Segments            []NetworkProvider `json:"segments"`
-	PortSecurityEnabled bool              `json:"port_security_enabled"`
 }
 
 // NetworkPage is the page returned by a pager when traversing over a
diff --git a/openstack/networking/v2/ports/requests_test.go b/openstack/networking/v2/ports/requests_test.go
index 83b0153..6f27e09 100644
--- a/openstack/networking/v2/ports/requests_test.go
+++ b/openstack/networking/v2/ports/requests_test.go
@@ -37,20 +37,11 @@
             "status": "ACTIVE",
             "binding:host_id": "devstack",
             "name": "",
-            "allowed_address_pairs": [],
             "admin_state_up": true,
             "network_id": "70c1db1f-b701-45bd-96e0-a313ee3430b3",
             "tenant_id": "",
-            "extra_dhcp_opts": [],
-            "binding:vif_details": {
-                "port_filter": true,
-                "ovs_hybrid_plug": true
-            },
-            "binding:vif_type": "ovs",
             "device_owner": "network:router_gateway",
             "mac_address": "fa:16:3e:58:42:ed",
-            "binding:profile": {},
-            "binding:vnic_type": "normal",
             "fixed_ips": [
                 {
                     "subnet_id": "008ba151-0b8c-4a67-98b5-0d2b87666062",
@@ -78,29 +69,22 @@
 
 		expected := []Port{
 			Port{
-				Status:              "ACTIVE",
-				Name:                "",
-				AllowedAddressPairs: []interface{}(nil),
-				AdminStateUp:        true,
-				NetworkID:           "70c1db1f-b701-45bd-96e0-a313ee3430b3",
-				TenantID:            "",
-				ExtraDHCPOpts:       []interface{}{},
-				DeviceOwner:         "network:router_gateway",
-				MACAddress:          "fa:16:3e:58:42:ed",
+				Status:       "ACTIVE",
+				Name:         "",
+				AdminStateUp: true,
+				NetworkID:    "70c1db1f-b701-45bd-96e0-a313ee3430b3",
+				TenantID:     "",
+				DeviceOwner:  "network:router_gateway",
+				MACAddress:   "fa:16:3e:58:42:ed",
 				FixedIPs: []IP{
 					IP{
 						SubnetID:  "008ba151-0b8c-4a67-98b5-0d2b87666062",
 						IPAddress: "172.24.4.2",
 					},
 				},
-				ID:                "d80b1a3b-4fc1-49f3-952e-1e2ab7081d8b",
-				SecurityGroups:    []string{},
-				DeviceID:          "9ae135f4-b6e0-4dad-9e91-3c223e385824",
-				BindingHostID:     "devstack",
-				BindingVIFDetails: map[string]interface{}{"port_filter": true, "ovs_hybrid_plug": true},
-				BindingVIFType:    "ovs",
-				BindingProfile:    map[string]interface{}{},
-				BindingVNICType:   "normal",
+				ID:             "d80b1a3b-4fc1-49f3-952e-1e2ab7081d8b",
+				SecurityGroups: []string{},
+				DeviceID:       "9ae135f4-b6e0-4dad-9e91-3c223e385824",
 			},
 		}
 
@@ -129,22 +113,12 @@
 {
     "port": {
         "status": "ACTIVE",
-        "binding:host_id": "devstack",
         "name": "",
-        "allowed_address_pairs": [],
         "admin_state_up": true,
         "network_id": "a87cc70a-3e15-4acf-8205-9b711a3531b7",
         "tenant_id": "7e02058126cc4950b75f9970368ba177",
-        "extra_dhcp_opts": [],
-        "binding:vif_details": {
-            "port_filter": true,
-            "ovs_hybrid_plug": true
-        },
-        "binding:vif_type": "ovs",
         "device_owner": "network:router_interface",
         "mac_address": "fa:16:3e:23:fd:d7",
-        "binding:profile": {},
-        "binding:vnic_type": "normal",
         "fixed_ips": [
             {
                 "subnet_id": "a0304c3a-4f08-4c43-88af-d796509c97d2",
@@ -163,18 +137,12 @@
 	th.AssertNoErr(t, err)
 
 	th.AssertEquals(t, n.Status, "ACTIVE")
-	th.AssertEquals(t, n.BindingHostID, "devstack")
 	th.AssertEquals(t, n.Name, "")
-	th.AssertDeepEquals(t, n.AllowedAddressPairs, []interface{}(nil))
 	th.AssertEquals(t, n.AdminStateUp, true)
 	th.AssertEquals(t, n.NetworkID, "a87cc70a-3e15-4acf-8205-9b711a3531b7")
 	th.AssertEquals(t, n.TenantID, "7e02058126cc4950b75f9970368ba177")
-	th.AssertDeepEquals(t, n.ExtraDHCPOpts, []interface{}{})
-	th.AssertDeepEquals(t, n.BindingVIFDetails, map[string]interface{}{"port_filter": true, "ovs_hybrid_plug": true})
 	th.AssertEquals(t, n.DeviceOwner, "network:router_interface")
 	th.AssertEquals(t, n.MACAddress, "fa:16:3e:23:fd:d7")
-	th.AssertDeepEquals(t, n.BindingProfile, map[string]interface{}{})
-	th.AssertEquals(t, n.BindingVNICType, "normal")
 	th.AssertDeepEquals(t, n.FixedIPs, []IP{
 		IP{SubnetID: "a0304c3a-4f08-4c43-88af-d796509c97d2", IPAddress: "10.0.0.1"},
 	})
@@ -210,18 +178,13 @@
 {
     "port": {
         "status": "DOWN",
-        "binding:host_id": "",
         "name": "private-port",
         "allowed_address_pairs": [],
         "admin_state_up": true,
         "network_id": "a87cc70a-3e15-4acf-8205-9b711a3531b7",
         "tenant_id": "d6700c0c9ffa4f1cb322cd4a1f3906fa",
-        "binding:vif_details": {},
-        "binding:vnic_type": "normal",
-        "binding:vif_type": "unbound",
         "device_owner": "",
         "mac_address": "fa:16:3e:c9:cb:f0",
-        "binding:profile": {},
         "fixed_ips": [
             {
                 "subnet_id": "a0304c3a-4f08-4c43-88af-d796509c97d2",
@@ -244,24 +207,17 @@
 	th.AssertNoErr(t, err)
 
 	th.AssertEquals(t, n.Status, "DOWN")
-	th.AssertEquals(t, n.BindingHostID, "")
 	th.AssertEquals(t, n.Name, "private-port")
-	th.AssertDeepEquals(t, n.AllowedAddressPairs, []interface{}(nil))
 	th.AssertEquals(t, n.AdminStateUp, true)
 	th.AssertEquals(t, n.NetworkID, "a87cc70a-3e15-4acf-8205-9b711a3531b7")
 	th.AssertEquals(t, n.TenantID, "d6700c0c9ffa4f1cb322cd4a1f3906fa")
-	th.AssertDeepEquals(t, n.BindingVIFDetails, map[string]interface{}{})
 	th.AssertEquals(t, n.DeviceOwner, "")
 	th.AssertEquals(t, n.MACAddress, "fa:16:3e:c9:cb:f0")
-	th.AssertDeepEquals(t, n.BindingProfile, map[string]interface{}{})
-	th.AssertEquals(t, n.BindingVNICType, "normal")
-	th.AssertEquals(t, n.BindingVIFType, "unbound")
 	th.AssertDeepEquals(t, n.FixedIPs, []IP{
 		IP{SubnetID: "a0304c3a-4f08-4c43-88af-d796509c97d2", IPAddress: "10.0.0.2"},
 	})
 	th.AssertEquals(t, n.ID, "65c0ee9f-d634-4522-8954-51021b570b0d")
 	th.AssertDeepEquals(t, n.SecurityGroups, []string{"f0ac4394-7e4a-4409-9701-ba8be283dbc3"})
-	th.AssertEquals(t, n.DeviceID, "")
 }
 
 func TestUpdate(t *testing.T) {
@@ -297,18 +253,12 @@
 {
     "port": {
         "status": "DOWN",
-        "binding:host_id": "",
         "name": "new_port_name",
-        "allowed_address_pairs": [],
         "admin_state_up": true,
         "network_id": "a87cc70a-3e15-4acf-8205-9b711a3531b7",
         "tenant_id": "d6700c0c9ffa4f1cb322cd4a1f3906fa",
-        "binding:vif_details": {},
-        "binding:vnic_type": "normal",
-        "binding:vif_type": "unbound",
         "device_owner": "",
         "mac_address": "fa:16:3e:c9:cb:f0",
-        "binding:profile": {},
         "fixed_ips": [
             {
                 "subnet_id": "a0304c3a-4f08-4c43-88af-d796509c97d2",
diff --git a/openstack/networking/v2/ports/results.go b/openstack/networking/v2/ports/results.go
index cddb58d..c190ad2 100644
--- a/openstack/networking/v2/ports/results.go
+++ b/openstack/networking/v2/ports/results.go
@@ -38,14 +38,6 @@
 	SecurityGroups []string `mapstructure:"security_groups" json:"security_groups"`
 	// Identifies the device (e.g., virtual server) using this port.
 	DeviceID string `mapstructure:"device_id" json:"device_id"`
-
-	AllowedAddressPairs []interface{} `mapstructure:"allowed" json:"allowed"`
-	ExtraDHCPOpts       interface{}   `mapstructure:"extra_dhcp_opts" json:"extra_dhcp_opts"`
-	BindingHostID       string        `mapstructure:"binding:host_id" json:"binding:host_id"`
-	BindingVIFDetails   interface{}   `mapstructure:"binding:vif_details" json:"binding:vif_details"`
-	BindingVIFType      string        `mapstructure:"binding:vif_type" json:"binding:vif_type"`
-	BindingProfile      interface{}   `mapstructure:"binding:profile" json:"binding:profile"`
-	BindingVNICType     string        `mapstructure:"binding:vnic_type" json:"binding:vnic_type"`
 }
 
 // PortPage is the page returned by a pager when traversing over a collection
diff --git a/openstack/networking/v2/subnets/requests_test.go b/openstack/networking/v2/subnets/requests_test.go
index 63e9cc2..b2b4d38 100644
--- a/openstack/networking/v2/subnets/requests_test.go
+++ b/openstack/networking/v2/subnets/requests_test.go
@@ -99,7 +99,7 @@
 						End:   "10.0.0.254",
 					},
 				},
-				HostRoutes: []interface{}{},
+				HostRoutes: []HostRoute{},
 				IPVersion:  4,
 				GatewayIP:  "10.0.0.1",
 				CIDR:       "10.0.0.0/24",
@@ -117,7 +117,7 @@
 						End:   "192.255.255.254",
 					},
 				},
-				HostRoutes: []interface{}{},
+				HostRoutes: []HostRoute{},
 				IPVersion:  4,
 				GatewayIP:  "192.0.0.1",
 				CIDR:       "192.0.0.0/8",
@@ -184,7 +184,7 @@
 			End:   "192.255.255.254",
 		},
 	})
-	th.AssertDeepEquals(t, s.HostRoutes, []interface{}{})
+	th.AssertDeepEquals(t, s.HostRoutes, []HostRoute{})
 	th.AssertEquals(t, s.IPVersion, 4)
 	th.AssertEquals(t, s.GatewayIP, "192.0.0.1")
 	th.AssertEquals(t, s.CIDR, "192.0.0.0/8")
@@ -252,7 +252,7 @@
 			End:   "192.168.199.254",
 		},
 	})
-	th.AssertDeepEquals(t, s.HostRoutes, []interface{}{})
+	th.AssertDeepEquals(t, s.HostRoutes, []HostRoute{})
 	th.AssertEquals(t, s.IPVersion, 4)
 	th.AssertEquals(t, s.GatewayIP, "192.168.199.1")
 	th.AssertEquals(t, s.CIDR, "192.168.199.0/24")
diff --git a/openstack/networking/v2/subnets/results.go b/openstack/networking/v2/subnets/results.go
index f89bb3b..ead2172 100644
--- a/openstack/networking/v2/subnets/results.go
+++ b/openstack/networking/v2/subnets/results.go
@@ -5,12 +5,20 @@
 	"github.com/rackspace/gophercloud/pagination"
 )
 
-// AllocationPool is a sub-struct that represents an allocation pool
+// AllocationPool represents a sub-range of cidr available for dynamic
+// allocation to ports, e.g. {Start: "10.0.0.2", End: "10.0.0.254"}
 type AllocationPool struct {
 	Start string `json:"start"`
 	End   string `json:"end"`
 }
 
+// HostRoute represents a route that should be used by devices with IPs from
+// a subnet (not including local subnet route).
+type HostRoute struct {
+	DestinationCIDR string `json:"destination"`
+	NextHop         string `json:"nexthop"`
+}
+
 // Subnet represents a subnet. See package documentation for a top-level
 // description of what this is.
 type Subnet struct {
@@ -31,7 +39,7 @@
 	// Sub-ranges of CIDR available for dynamic allocation to ports. See AllocationPool.
 	AllocationPools []AllocationPool `mapstructure:"allocation_pools" json:"allocation_pools"`
 	// Routes that should be used by devices with IPs from this subnet (not including local subnet route).
-	HostRoutes []interface{} `mapstructure:"host_routes" json:"host_routes"`
+	HostRoutes []HostRoute `mapstructure:"host_routes" json:"host_routes"`
 	// Specifies whether DHCP is enabled for this subnet or not.
 	EnableDHCP bool `mapstructure:"enable_dhcp" json:"enable_dhcp"`
 	// Owner of network. Only admin users can specify a tenant_id other than its own.