diff --git a/network/net.go b/network/net.go
index 17b26823..a1497d9a 100644
--- a/network/net.go
+++ b/network/net.go
@@ -30,20 +30,14 @@ const (
 var (
 	BroadcastHw        = []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}
 	IPv4BlockValidator = regexp.MustCompile(`^` +
-		`(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])\.` +
-		`(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])\.` +
-		`(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])\.` +
+		`(?:(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])\.){3}` +
 		`(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])` +
 		`/(?:3[0-2]|2[0-9]|[1]?[0-9])` + `$`)
 	IPv4RangeValidator = regexp.MustCompile(`^` +
-		`(?:(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])-)?(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])\.` +
-		`(?:(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])-)?(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])\.` +
-		`(?:(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])-)?(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])\.` +
+		`(?:(?:(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])-)?(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])\.){3}` +
 		`(?:(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])-)?(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])` + `$`)
 	IPv4Validator = regexp.MustCompile(`^` +
-		`(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])\.` +
-		`(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])\.` +
-		`(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])\.` +
+		`(?:(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])\.){3}` +
 		`(?:25[0-5]|2[0-4][0-9]|[1][0-9]{2}|[1-9]?[0-9])` + `$`)
 	MACValidator = regexp.MustCompile(`(?i)^(?:[a-f0-9]{2}:){5}[a-f0-9]{2}$`)
 	// lulz this sounds like a hamburger