#
!/bin/sh
FILE
=/
usr
/
home
/
haoyu
/
ip_apnic
rm
-
f
$FILE
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
-
h whois
.
apnic
.
net
$ip
|
sed
-
e
'
/./{H;$!d;}
'
-
e
'
x;/netnum/!d
'
|
grep
^
netname
|
sed
-
e
'
s/.*: (.*)//1/g
'
|
sed
-
e
'
s/-.*//g
'
`
case
$NETNAME
in
CHINANET
|
CNCGROUP)
echo
$ip
/
$mask
>>
$NETNAME
;;
CHINATELECOM)
echo
$ip
/
$mask
>>
$NETNAME
;;
OTHER_NETNAME_here)
;;
esac
done

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