diff -up quagga-0.99.11/bgpd/bgp_aspath.c.asn32 quagga-0.99.11/bgpd/bgp_aspath.c
--- quagga-0.99.11/bgpd/bgp_aspath.c.asn32	2009-05-04 15:16:34.000000000 +0200
+++ quagga-0.99.11/bgpd/bgp_aspath.c	2009-05-04 15:17:01.000000000 +0200
@@ -549,7 +549,7 @@ aspath_make_str_count (struct aspath *as
    * With 32bit ASNs, this range will increase, but only worth changing
    * once there are significant numbers of ASN >= 100000
    */
-#define ASN_STR_LEN (5 + 1)
+#define ASN_STR_LEN (10 + 1)
   str_size = MAX (assegment_count_asns (seg, 0) * ASN_STR_LEN + 2 + 1,
                   ASPATH_STR_DEFAULT_LEN);
   str_buf = XMALLOC (MTYPE_AS_STR, str_size);