shell generate routes

gistfile1.txt

#!/bin/sh

i=1
while (( i <= 100000 ))
do
    echo "generate route $i ..."

    c2=$(( (i/(255*255))%255 ))
    c3=$(( (i/255)%255 ))
    c4=$(( i%255))

    `ip route del 222.$c2.$c3.$c4 dev lo`
    i=$(( i+1 ))
done