#!/bin/bash # download from apnic rm -f delegated-apnic-latest wget http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest # IPs allocated to china. grep 'apnic|CN|ipv4|' delegated-apnic-latest | cut -f 4 -d'|' > delegated-apnic-CN # get detail of echo IP from apnic database. rm -f apnic_CN.txt while read ip do     # query apnic database     echo "query who is $ip"     whois -h whois.apnic.net $ip > tmp.txt     grep inetnum  tmp.txt >> apnic_CN.txt          # IP range     grep netname  tmp.txt >> apnic_CN.txt          # netname which include sp information      grep descr    tmp.txt >> apnic_CN.txt          # description which include province information     echo ""  >> apnic_CN.txt           done < delegated-apnic-CN # clean up rm -f tmp.txt rm -f delegated-apnic-latest rm -f delegated-apnic-CN