Arping a subnet

for a in $(seq 192 192); do
    for b in $(seq 168 168); do
        for c in $(seq 0 0); do
            for d in $(seq 0 255); do
                sh -c "arping -A -q -c 1 -T $a.$b.$c.$d $TARGET_MAC
                if [ \$? = 0 ]; then
                    echo Got answer with address: $a.$b.$c.$d
                fi" &
            done
            wait
        done
    done
done