获取**的 IP 地址范围
gcc cnips.c -O2 -o cnips
wget http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest
cat delegated-apnic-latest | ./cnips
for net in `cat delegated-apnic-latest | ./cnips`
do
ip route add $net via <your_gateway> table <your_rule_table>
done