Index: sbin/route/route.c
diff -u sbin/route/route.c.orig sbin/route/route.c
--- sbin/route/route.c.orig	Tue Mar  5 19:50:44 2002
+++ sbin/route/route.c	Mon May 20 18:25:48 2002
@@ -954,6 +954,9 @@
 	{
 		struct addrinfo hints, *res;
 
+		q = NULL;
+		if (which == RTA_DST && (q = strchr(s, '/')) != NULL)
+			*q = '\0';
 		memset(&hints, 0, sizeof(hints));
 		hints.ai_family = afamily;	/*AF_INET6*/
 		hints.ai_flags = AI_NUMERICHOST;
@@ -975,6 +978,11 @@
 		}
 #endif
 		freeaddrinfo(res);
+		if (q != NULL) {
+			*q = '/';
+			if (prefixlen(q + 1) == -1)
+				return (1);
+		}
 		return (0);
 	}
 #endif /* INET6 */