diff --git a/src/ncp/ncp_base.cpp b/src/ncp/ncp_base.cpp
index 84efb533c..320fa9c9e 100644
--- a/src/ncp/ncp_base.cpp
+++ b/src/ncp/ncp_base.cpp
@@ -137,6 +137,8 @@ const NcpBase::GetPropertyHandlerEntry NcpBase::mGetPropertyHandlerTable[] =
     { SPINEL_PROP_THREAD_NETWORK_DATA_VERSION, &NcpBase::GetPropertyHandler_THREAD_NETWORK_DATA_VERSION },
     { SPINEL_PROP_THREAD_STABLE_NETWORK_DATA, &NcpBase::GetPropertyHandler_THREAD_STABLE_NETWORK_DATA },
     { SPINEL_PROP_THREAD_STABLE_NETWORK_DATA_VERSION, &NcpBase::GetPropertyHandler_THREAD_STABLE_NETWORK_DATA_VERSION },
+    { SPINEL_PROP_THREAD_LEADER_NETWORK_DATA, &NcpBase::GetPropertyHandler_THREAD_LEADER_NETWORK_DATA },
+    { SPINEL_PROP_THREAD_STABLE_LEADER_NETWORK_DATA, &NcpBase::GetPropertyHandler_THREAD_STABLE_LEADER_NETWORK_DATA },
     { SPINEL_PROP_THREAD_LOCAL_ROUTES, &NcpBase::NcpBase::GetPropertyHandler_THREAD_LOCAL_ROUTES },
     { SPINEL_PROP_THREAD_ASSISTING_PORTS, &NcpBase::NcpBase::GetPropertyHandler_THREAD_ASSISTING_PORTS },
     { SPINEL_PROP_THREAD_ALLOW_LOCAL_NET_DATA_CHANGE, &NcpBase::GetPropertyHandler_THREAD_ALLOW_LOCAL_NET_DATA_CHANGE },
@@ -882,6 +884,11 @@ void NcpBase::UpdateChangedProps(void)
                               SPINEL_PROP_THREAD_ON_MESH_NETS
                           ));
 
+            SuccessOrExit(HandleCommandPropertyGet(
+                SPINEL_HEADER_FLAG | SPINEL_HEADER_IID_0,
+                SPINEL_PROP_THREAD_LEADER_NETWORK_DATA
+            ));
+
             mChangedFlags &= ~static_cast<uint32_t>(OT_THREAD_NETDATA_UPDATED);
         }
         else if ((mChangedFlags & (OT_IP6_RLOC_ADDED | OT_IP6_RLOC_REMOVED)) != 0)
@@ -1985,6 +1992,51 @@ exit:
     return errorCode;
 }
 
+ThreadError NcpBase::GetPropertyHandler_THREAD_LEADER_NETWORK_DATA(uint8_t header, spinel_prop_key_t key)
+{
+    ThreadError errorCode = kThreadError_None;
+    uint8_t network_data[255];
+    uint8_t network_data_len = 255;
+
+    SuccessOrExit(errorCode = OutboundFrameBegin());
+    SuccessOrExit(errorCode = OutboundFrameFeedPacked("Cii", header, SPINEL_CMD_PROP_VALUE_IS, key));
+    otGetNetworkDataLeader(
+        mInstance,
+        false, // Stable?
+        network_data,
+        &network_data_len
+    );
+    SuccessOrExit(errorCode = OutboundFrameFeedData(network_data, network_data_len));
+    SuccessOrExit(errorCode = OutboundFrameSend());
+
+exit:
+    return errorCode;
+}
+
+ThreadError NcpBase::GetPropertyHandler_THREAD_STABLE_LEADER_NETWORK_DATA(uint8_t header, spinel_prop_key_t key)
+{
+    ThreadError errorCode = kThreadError_None;
+    uint8_t network_data[255];
+    uint8_t network_data_len = 255;
+
+
+    SuccessOrExit(errorCode = OutboundFrameBegin());
+
+    SuccessOrExit(errorCode = OutboundFrameFeedPacked("Cii", header, SPINEL_CMD_PROP_VALUE_IS, key));
+    otGetNetworkDataLeader(
+        mInstance,
+        true, // Stable?
+        network_data,
+        &network_data_len
+    );
+
+    SuccessOrExit(errorCode = OutboundFrameFeedData(network_data, network_data_len));
+    SuccessOrExit(errorCode = OutboundFrameSend());
+
+exit:
+    return errorCode;
+}
+
 ThreadError NcpBase::GetPropertyHandler_THREAD_LEADER_RID(uint8_t header, spinel_prop_key_t key)
 {
     return SendPropertyUpdate(
diff --git a/src/ncp/ncp_base.hpp b/src/ncp/ncp_base.hpp
index 5ec3fe592..c74e6a7b9 100644
--- a/src/ncp/ncp_base.hpp
+++ b/src/ncp/ncp_base.hpp
@@ -336,6 +336,8 @@ private:
     ThreadError GetPropertyHandler_THREAD_NETWORK_DATA_VERSION(uint8_t header, spinel_prop_key_t key);
     ThreadError GetPropertyHandler_THREAD_STABLE_NETWORK_DATA(uint8_t header, spinel_prop_key_t key);
     ThreadError GetPropertyHandler_THREAD_STABLE_NETWORK_DATA_VERSION(uint8_t header, spinel_prop_key_t key);
+    ThreadError GetPropertyHandler_THREAD_LEADER_NETWORK_DATA(uint8_t header, spinel_prop_key_t key);
+    ThreadError GetPropertyHandler_THREAD_STABLE_LEADER_NETWORK_DATA(uint8_t header, spinel_prop_key_t key);
     ThreadError GetPropertyHandler_MAC_PROMISCUOUS_MODE(uint8_t header, spinel_prop_key_t key);
     ThreadError GetPropertyHandler_THREAD_ASSISTING_PORTS(uint8_t header, spinel_prop_key_t key);
     ThreadError GetPropertyHandler_THREAD_ALLOW_LOCAL_NET_DATA_CHANGE(uint8_t header, spinel_prop_key_t key);
diff --git a/src/ncp/spinel.c b/src/ncp/spinel.c
index 90b1508a5..0c1cb8582 100644
--- a/src/ncp/spinel.c
+++ b/src/ncp/spinel.c
@@ -1119,6 +1119,14 @@ spinel_prop_key_to_cstr(spinel_prop_key_t prop_key)
         ret = "SPINEL_PROP_THREAD_STABLE_NETWORK_DATA";
         break;
 
+    case SPINEL_PROP_THREAD_LEADER_NETWORK_DATA:
+        ret = "SPINEL_PROP_THREAD_LEADER_NETWORK_DATA";
+        break;
+
+    case SPINEL_PROP_THREAD_STABLE_LEADER_NETWORK_DATA:
+        ret = "SPINEL_PROP_THREAD_STABLE_LEADER_NETWORK_DATA";
+        break;
+
     case SPINEL_PROP_THREAD_ON_MESH_NETS:
         ret = "SPINEL_PROP_THREAD_ON_MESH_NETS";
         break;
diff --git a/src/ncp/spinel.h b/src/ncp/spinel.h
index 019b83361..5932b84c8 100644
--- a/src/ncp/spinel.h
+++ b/src/ncp/spinel.h
@@ -762,6 +762,18 @@ typedef enum
      */
     SPINEL_PROP_THREAD_CHILD_COUNT_MAX = SPINEL_PROP_THREAD_EXT__BEGIN + 12,
 
+    /// Leader network data
+    /** Format: `D` - Read only
+     */
+    SPINEL_PROP_THREAD_LEADER_NETWORK_DATA
+                                       = SPINEL_PROP_THREAD_EXT__BEGIN + 13,
+
+    /// Stable leader network data
+    /** Format: `D` - Read only
+     */
+    SPINEL_PROP_THREAD_STABLE_LEADER_NETWORK_DATA
+                                       = SPINEL_PROP_THREAD_EXT__BEGIN + 14,
+
     SPINEL_PROP_THREAD_EXT__END        = 0x1600,
 
     SPINEL_PROP_IPV6__BEGIN          = 0x60,