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本帖最后由 anchor0408 于 2013-01-24 23:55 编辑
#!/bin/sh
FILE=/root/apnic/ip_apnic
wget http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest
-O $FILE
grep 'apnic|CN|ipv4|' $FILE | cut -f 4,5 -d'|'|sed -e 's/|/ /g' | while
read ip cnt
do
echo $ip: $cnt
mask=$(cat << EOF | bc | tail -1
pow=32;
define log2(x) {
if (x<=1) return (pow);
pow--;
return(log2(x/2));
}
log2($cnt)
EOF)
echo $ip/$mask>> cn.net
NETNAME=’whois $ip@whois.apnic.net | sed -e ‘/./{H;$!d;}’ –e \
‘x;/netnum/!d’ |grep ^netname | awk ‘{print $2}’|awk -F- ‘{print $1}’`
case $NETNAME in
CNC)
echo $ip/$mask >> UNICOM
;;
CNCGROUP| UNICOM)
echo $ip/$mask >> UNICOM
;;
CHINATELECOM|CHINANET)
echo $ip/$mask >> TELECOM
;;
CERNET)
echo $ip/$mask >>EUD
;;
*)
echo $ip/$mask >> OTHER
;;
esac
done
这个脚本的大概意思是,从apnic从把ip地址的分配下载下来,然后过滤出中国的ip,按电信、网通、教育网、其他分开,有没有shell 高手解释下每句的意思!!!!
[root@localhost ~]# whois 202.101.1.1@whois.apnic.net
[Querying whois.apnic.net]
[whois.apnic.net]
% [whois.apnic.net node-5]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
inetnum: 202.101.0.0 - 202.101.63.255
netname: CHINANET-SH
descr: China Telecom
descr: SHANGHAI PROVINCE NETWORK
country: CN
admin-c: CH93-AP
tech-c: XI5-AP
mnt-by: APNIC-HM
mnt-lower: MAINT-CHINANET-SH
changed: hm-changed@apnic.net 20031104
changed: hm-changed@apnic.net 20031112
status: ALLOCATED PORTABLE
source: APNIC
person: Chinanet Hostmaster
nic-hdl: CH93-AP
e-mail: anti-spam@ns.chinanet.cn.net
address: No.31 ,jingrong street,beijing
address: 100032
phone: +86-10-58501724
fax-no: +86-10-58501724
country: CN
changed: dingsy@cndata.com 20070416
mnt-by: MAINT-CHINANET
source: APNIC
person: Wu Xiao Li
address: Room 805,61 North Si Chuan Road,Shanghai,200085,PRC
country: CN
phone: +86-21-63630562
fax-no: +86-21-63630566
e-mail: ip-admin@mail.online.sh.cn
nic-hdl: XI5-AP
mnt-by: MAINT-CHINANET-SH
changed: ip-admin@mail.online.sh.cn 20010510
source: APNIC
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