diff --git a/main.go b/main.go
index 11579c8..b1bc9e8 100644
--- a/main.go
+++ b/main.go
@@ -141,9 +141,13 @@ func handleRange(w http.ResponseWriter, r *http.Request) {
 				O4 := ""
 				if len(octets[2]) < 2 {
 					O3 = "0" + octets[2]
+				} else {
+					O3 = octets[2]
 				}
 				if len(octets[3]) < 2 {
 					O3 = "0" + octets[3]
+				} else {
+					O3 = octets[3]
 				}
 				N := "PC" + O3 + O4
 				d.Rows = append(d.Rows, addrPair{IPv4: b.IPv4, IPv6: b.IPv6, Name: N})