diff --git a/generate.sh b/generate.sh
index 9a15e25c..6649f9b0 100755
--- a/generate.sh
+++ b/generate.sh
@@ -41,3 +41,21 @@ while read file; do
 	get_asn $file | xargs bgptools | docker run -i --rm gaoyifan/cidrmerge > result/$operator.txt
 	>&2 echo "done"
 done
+
+# count the number of IP
+cd result
+ls | 
+while read file; do 
+	echo ${file%.*}
+	cat $file | 
+	awk -F\/ '{print $2}' | 
+	(
+		sum=0
+		while read n; do
+			s=$((32 - ${n}))
+			sum=$(($sum + 1<<$s))
+		done
+		echo $sum
+	)
+	echo
+done > stat