diff --git a/go-backend/internal/middleware/geoip.go b/go-backend/internal/middleware/geoip.go
index 2062bd6..c560a91 100644
--- a/go-backend/internal/middleware/geoip.go
+++ b/go-backend/internal/middleware/geoip.go
@@ -54,8 +54,6 @@ func (g *SimpleGeoBlockMiddleware) Middleware() gin.HandlerFunc {
 
 // isBlockedIP checks if the IP falls into known problematic ranges
 func (g *SimpleGeoBlockMiddleware) isBlockedIP(ip net.IP) bool {
-	ipStr := ip.String()
-
 	// Block common bot/scanner IP ranges
 	blockedRanges := []string{
 		// Chinese IP ranges (simplified)
@@ -109,8 +107,6 @@ func (g *SimpleGeoBlockMiddleware) isBlockedIP(ip net.IP) bool {
 
 // isHostingProvider checks if IP is from known hosting providers often used by bots
 func (g *SimpleGeoBlockMiddleware) isHostingProvider(ip net.IP) bool {
-	ipStr := ip.String()
-
 	// Common hosting provider ASN prefixes (simplified)
 	hostingPrefixes := []string{
 		"34.", "35.", "52.", "54.", // AWS
@@ -122,7 +118,7 @@ func (g *SimpleGeoBlockMiddleware) isHostingProvider(ip net.IP) bool {
 	}
 
 	for _, prefix := range hostingPrefixes {
-		if strings.HasPrefix(ipStr, prefix) {
+		if strings.HasPrefix(ip.String(), prefix) {
 			// Additional check - if it's a known datacenter IP range
 			if g.isDatacenterIP(ip) {
 				return true