diff --git a/docs/scripting.xml b/docs/scripting.xml
index 8146e8d16..4f7b1a961 100644
--- a/docs/scripting.xml
+++ b/docs/scripting.xml
@@ -1783,6 +1783,29 @@ host.os = {
 	      </para>
 	    </listitem>
 	  </varlistentry>
+	  <varlistentry>
+	    <term><option>host.reason</option>
+	      </term>
+	    <listitem>
+	      <para>
+    Contains a string representation of the reason why the target host is in
+    its current state. The reason is given by the type of the packet that
+    determined the state. For example, an <literal>echo-reply</literal> from
+    an alive host.
+	      </para>
+	    </listitem>
+	  </varlistentry>
+	  <varlistentry>
+	    <term><option>host.reason_ttl</option>
+	      </term>
+	    <listitem>
+	      <para>
+    Contains the TTL value of the response packet, that was used to determine 
+    the status of the target host, when it arrived. This response packet is the 
+    packet that is also used to set <literal>host.reason</literal>.
+	      </para>
+	    </listitem>
+	  </varlistentry>
 	  <varlistentry>
 	    <term><option>host.directly_connected</option>
 	      </term>
diff --git a/nse_nmaplib.cc b/nse_nmaplib.cc
index 187cb8438..a6fc7cd40 100644
--- a/nse_nmaplib.cc
+++ b/nse_nmaplib.cc
@@ -151,6 +151,9 @@ void set_hostinfo(lua_State *L, Target *currenths) {
   nseU_setsfield(L, -1, "ip", currenths->targetipstr());
   nseU_setsfield(L, -1, "name", currenths->HostName());
   nseU_setsfield(L, -1, "targetname", currenths->TargetName());
+  nseU_setsfield(L, -1, "reason", reason_str(currenths->reason.reason_id, SINGULAR));
+  nseU_setnfield(L, -1, "reason_ttl", currenths->reason.ttl);
+
   if (currenths->directlyConnectedOrUnset() != -1)
     nseU_setbfield(L, -1, "directly_connected", currenths->directlyConnected());
   if (currenths->MACAddress())