Index: libnetutil/netutil.cc
===================================================================
--- libnetutil/netutil.cc	(revision 20225)
+++ libnetutil/netutil.cc	(working copy)
@@ -1188,6 +1188,23 @@
       }
       memcpy(devs[count].mac, ethaddr.data, 6);
 #endif /*SIOCGIFHWADDR*/
+
+#ifdef SIOCGIFBRDADDR
+      memcpy(&tmpifr.ifr_addr, sin,
+             MIN(sizeof(tmpifr.ifr_addr), sizeof(*sin)));
+      rc = ioctl(sd, SIOCGIFBRDADDR, &tmpifr);
+      if (rc < 0 && errno != EADDRNOTAVAIL) {
+        if (errstr)
+          Snprintf(errstr, errstrlen,
+              "Failed to determine the broadcast address of %s!", tmpifr.ifr_name);
+        *howmany=-1;
+        return NULL;
+      }
+      else if (rc >= 0)
+        memcpy(&(devs[count].broadaddr), &tmpifr.ifr_broadaddr,
+               MIN(sizeof(devs[count].broadaddr), sizeof(tmpifr.ifr_broadaddr)));
+#endif /*SIOCGIFBRDADDR*/
+
     } else if (ifflags & IFF_POINTOPOINT) {
       devs[count].device_type = devt_p2p;
     } else {
Index: libnetutil/netutil.h
===================================================================
--- libnetutil/netutil.h	(revision 20225)
+++ libnetutil/netutil.h	(working copy)
@@ -230,6 +230,7 @@
   int device_up; /* True if the device is up (enabled) */
   int mtu; /* Interface's MTU size */
   u8 mac[6]; /* Interface MAC address if device_type is devt_ethernet */
+  struct sockaddr_storage broadaddr; /* Interface broadcast address (only IPv4) */
 };
 
 struct route_nfo {