diff --git a/src/models/ip.go b/src/models/ip.go
index 8753066..f581176 100644
--- a/src/models/ip.go
+++ b/src/models/ip.go
@@ -104,7 +104,7 @@ func InsertIPBulk(cfg *config.Config, ips *[]IP) (numinsert int64, numupdate int
 func ScanIP(cfg *config.Config) (err error) {
 	for {
 		orphans := []IP{}
-		if cfg.Db.Where("rdns IS NULL").Asc("ip").Find(&orphans); len(orphans) > 0 {
+		if cfg.Db.Where("rdns IS NULL").Asc("ip").Limit(500).Find(&orphans); len(orphans) > 0 {
 			for _, i := range orphans {
 				reverse, _ := i.UpdateRDNS()
 				log.Printf("%s -> \"%s\"\n", i.IP, reverse)