diff --git a/lib/nodelist.c b/lib/nodelist.c
index 20da7e18..567dc01d 100644
--- a/lib/nodelist.c
+++ b/lib/nodelist.c
@@ -67,6 +67,7 @@ static struct _keytab {
     {(char *)"tcpip",	    getmdm,	    (char **)&nl_tcpip},
     {(char *)"search",	    getarr,	    (char **)&nl_search},
     {(char *)"dialer",	    getarr,	    (char **)&nl_dialer},
+    {(char *)"ipprefix",    getarr,	    (char **)&nl_ipprefix},
     {(char *)"domsuffix",   getdom,	    (char **)&nl_domsuffix},
     {(char *)"service",	    getsrv,	    (char **)&nl_service},
     {NULL,		    NULL,	    NULL}
@@ -339,6 +340,7 @@ void deinitnl(void)
     tidy_nl_modem(&nl_tcpip);
     tidy_nl_array(&nl_search);
     tidy_nl_array(&nl_dialer);
+    tidy_nl_array(&nl_ipprefix);
     tidy_nl_domsuf(&nl_domsuffix);
     tidy_nl_service(&nl_service);
 
@@ -371,6 +373,7 @@ int initnl(void)
     nl_tcpip = NULL;
     nl_search = NULL;
     nl_domsuffix = NULL;
+    nl_ipprefix = NULL;
     nl_dialer = NULL;
     nl_service = NULL;
 
@@ -543,7 +546,7 @@ node *getnlent(faddr *addr)
     nodelist_modem	    **tmpm;
     nodelist_flag	    **tmpf;
     nodelist_service	    **tmps;
-    nodelist_array	    **tmpa;
+    nodelist_array	    **tmpa, **tmpaa;
     nodelist_domsuf	    **tmpd;
     unsigned long	    tport = 0;
     
@@ -935,18 +938,21 @@ node *getnlent(faddr *addr)
 			memset(&tbuf, 0, sizeof(tbuf));
 		    }
 		} else if (strcasecmp((*tmpa)->name, "field6") == 0) {
-		    if (nodebuf.phone && strncmp(nodebuf.phone, "000-", 4) == 0) {
-			Syslog('n', "getnlent: found 000- prefix");
-			sprintf(tbuf, "%s", nodebuf.phone+4);
-			for (i = 0; i < strlen(tbuf); i++)
-			    if (tbuf[i] == '-')
-				tbuf[i] = '.';
-			Syslog('n', "getnlent: using field6 \"%s\"", tbuf);
-			nodebuf.url = xstrcat(nodebuf.url, tbuf);
-			break;
-		    } else {
-			memset(&tbuf, 0, sizeof(tbuf));
+		    memset(&tbuf, 0, sizeof(tbuf));
+		    for (tmpaa = &nl_ipprefix; *tmpaa; tmpaa=&((*tmpaa)->next)) {
+			if (nodebuf.phone && strncmp(nodebuf.phone, (*tmpaa)->name, strlen((*tmpaa)->name)) == 0) {
+			    Syslog('n', "getnlent: found %s prefix", (*tmpaa)->name);
+			    sprintf(tbuf, "%s", nodebuf.phone+strlen((*tmpaa)->name));
+			    for (i = 0; i < strlen(tbuf); i++)
+				if (tbuf[i] == '-')
+				    tbuf[i] = '.';
+			    Syslog('n', "getnlent: using field6 \"%s\"", tbuf);
+			    nodebuf.url = xstrcat(nodebuf.url, tbuf);
+			    break;
+			}
 		    }
+		    if (strlen(tbuf))
+			break;
 		} else if (strcasecmp((*tmpa)->name, "field8") == 0) {
 		    /*
 		     * Read nodelist line again in another buffer, the original
diff --git a/lib/nodelist.conf b/lib/nodelist.conf
index 05386c99..0488a181 100644
--- a/lib/nodelist.conf
+++ b/lib/nodelist.conf
@@ -145,6 +145,7 @@ tcpip	IBN	0x00000004	0x00000004
 #   field6		- Search the phone field for 000- prefix, may be a IP
 #                         or a FQDN with or without a :port suffix.
 #			  000-192-168-1-40:1234 or 000-ntbox.mbse.ym:5678 are valid.
+#			  The keyword ipprefix below define the possible prefix names.
 #   field8		- Search in the flags for a FQDN. Valid flags are like:
 #			  IBN:domain.com		Standard
 #			  IFC:domain.com:port		Standard
@@ -159,8 +160,8 @@ tcpip	IBN	0x00000004	0x00000004
 # Order is important, defdomain must be the last if used.
 #
 search		field3
-search		field6
 search		field8
+search		field6
 search		defdomain
 
 
@@ -177,3 +178,10 @@ domsuffix	5	net
 domsuffix	6	net
 domsuffix	92	mbse.ym
 
+
+# The IP prefixes for nodelist field 6 like 000-
+#
+ipprefix	000-	# Standard
+ipprefix	DNS-	# Used in skynet
+ipprefix	IPN-	# Used in skynet
+
diff --git a/lib/nodelist.h b/lib/nodelist.h
index 826dd33c..fafa4b99 100644
--- a/lib/nodelist.h
+++ b/lib/nodelist.h
@@ -110,6 +110,7 @@ nodelist_modem	    *nl_isdn;
 nodelist_modem	    *nl_tcpip;
 nodelist_array	    *nl_search;
 nodelist_array	    *nl_dialer;
+nodelist_array	    *nl_ipprefix;
 nodelist_domsuf	    *nl_domsuffix;
 nodelist_service    *nl_service;