diff --git a/wipri b/wipri
index 3bf4bda..b29b3cc 100755
--- a/wipri
+++ b/wipri
@@ -215,28 +215,58 @@ function hostn {
 	dhclient $netdev || echo -e "${RED}dhclient not found - OK we can still make due without it${ENDCOLOR}"
 }
 
+#######################################################
+# Function to check if a MAC address's last three octets match any existing interface NICs except for the loopback interface.
+# This is for essentially blacklisting any real NIC's in random mac generation.
+check_mac_conflict() {
+    local new_mac=$1
+    local new_last_three_octets=$(echo "$new_mac" | awk -F: '{print $(NF-2)":"$(NF-1)":"$NF}')
+    
+    for iface in /sys/class/net/*; do
+        if [ -f "$iface/address" ] && [ "$(basename "$iface")" != "lo" ]; then
+            existing_mac=$(cat "$iface/address")
+            existing_last_three_octets=$(echo "$existing_mac" | awk -F: '{print $(NF-2)":"$(NF-1)":"$NF}')
+            if [ "$new_last_three_octets" == "$existing_last_three_octets" ]; then
+                return 0 # Conflict found
+            fi
+        fi
+    done
+    
+    return 1 # No conflict
+}
+
 #######################################################
 # MAC randomization/setting
 function macrand {
-	hexchar="abcdef0123456789"
-	beg=$(shuf -n 1 $oui_file)      # $oui_file contains important info to generate valid random macs: ma>
-	end=$( for i in {1..6} ; do echo -n ${hexchar:$(( $RANDOM % 16 )):1} ; done | sed -e 's/\(..\)/:\1/g' )
-	mac=$beg$end
-	/bin/echo -e "${BLUE}Changing MAC to:${ENDCOLOR} $RED$mac$ENDCOLOR"
-	ip link set dev $netdev down;ip link set dev $netdev address $mac;ip link set dev $netdev up;
-	echo ""
+    hexchar="abcdef0123456789"
+    while true; do
+        beg=$(shuf -n 1 $oui_file)      # $oui_file contains important info to generate valid random macs
+        end=$( for i in {1..6} ; do echo -n ${hexchar:$(( $RANDOM % 16 )):1} ; done | sed -e 's/\(..\)/:\1/g' )
+        mac=$beg$end
+        if ! check_mac_conflict "$mac"; then
+            break
+        fi
+    done
+    /bin/echo -e "${BLUE}Changing MAC to:${ENDCOLOR} $RED$mac$ENDCOLOR"
+    ip link set dev $netdev down;ip link set dev $netdev address $mac;ip link set dev $netdev up;
+    echo ""
 }
 
 #######################################################
 # MAC randomization (phone version- temp version)
 function phmacrand {
-	hexchar="abcdef0123456789"
-	beg=$(shuf -n 1 $phoui_file)      # $phoui_file contains important info to generate valid random phone macs
-	end=$( for i in {1..6} ; do echo -n ${hexchar:$(( $RANDOM % 16 )):1} ; done | sed -e 's/\(..\)/:\1/g' )
-	mac=$beg$end
-	/bin/echo -e "${BLUE}Changing MAC to:${ENDCOLOR} ${RED}$mac${ENDCOLOR}"
-	ip link set dev $netdev down;ip link set dev $netdev address $mac;ip link set dev $netdev up;
-	echo ""
+    hexchar="abcdef0123456789"
+    while true; do
+        beg=$(shuf -n 1 $phoui_file)      # $phoui_file contains important info to generate valid random phone macs
+        end=$( for i in {1..6} ; do echo -n ${hexchar:$(( $RANDOM % 16 )):1} ; done | sed -e 's/\(..\)/:\1/g' )
+        mac=$beg$end
+        if ! check_mac_conflict "$mac"; then
+            break
+        fi
+    done
+    /bin/echo -e "${BLUE}Changing MAC to:${ENDCOLOR} ${RED}$mac${ENDCOLOR}"
+    ip link set dev $netdev down;ip link set dev $netdev address $mac;ip link set dev $netdev up;
+    echo ""
 }
 
 ########################################################