diff --git a/waccess b/waccess
index 294fa17..66f4f09 100755
--- a/waccess
+++ b/waccess
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # waccess - Copyright (c) 2001,2002, TundraWare Inc., All Rights Reserved
-# $Id: waccess,v 1.61 2002/08/31 06:11:56 tundra Exp $
+# $Id: waccess,v 1.62 2002/09/02 06:24:08 tundra Exp $
 
 #
 # Look for selected strings passed on the command line in the http access log.
@@ -30,6 +30,13 @@
 
 IGNORED = ["127.0", "192.168.0."]
 
+# This table is built dynamically at run time to keep track of
+# any DNS that cannot be reverse.  That way we only have to
+# waste lookup time on such an address the first time it is
+# encountered.
+
+BADREVERSE = []
+
 
 ##########
 # Function Defintions
@@ -112,8 +119,12 @@
         if MATCHED:
             if REVERSE:
                 try:
-                    revname = socket.gethostbyaddr(fields[0])[0]
+                    if not BADREVERSE.count(fields[0]):
+                        revname = socket.gethostbyaddr(fields[0])[0]
+                    else:
+                        revname = "NO REVERSE RESOLUTION"
                 except:
+                    BADREVERSE.append(fields[0])
                     revname = "NO REVERSE RESOLUTION"
 
             if SHOW:
@@ -130,6 +141,3 @@
     print "Found %d Matching Records Containing: %s" % (matched[a], a)
 
 
-
-
-