diff --git a/src/route_lib.c b/src/route_lib.c
index 90a1231b..0557bbe6 100644
--- a/src/route_lib.c
+++ b/src/route_lib.c
@@ -313,6 +313,8 @@ int is_local_subnet(uint32_t ip) {
     uint8_t first_octet = bip[0];
     uint8_t second_octet = bip[1];
 
+    DEBUG_DEBUG(DEBUG_CATEGORY_BGP, "check ip %d.%d : ", first_octet, second_octet);
+
     if (first_octet == 0) return 1;
     if (first_octet == 10) return 1;
     if (first_octet == 127) return 1;