just a simple script that grabs two file if they are currently not there, allows checking for IP ranges by providing a simple name such as 'godaddy' or 'digitalocean', it then returns the results and provides a file name rangelist with the found ranges.

check

#!/bin/bash

NAMETOCHECK=$1 

if [ ! -d asninfo ]; then           
    mkdir asninfo;
    echo "Created: asninfo/";
fi

if [ ! -f asninfo/data-used-autnums.txt ]; then

    curl http://thyme.apnic.net/current/data-used-autnums  -o asninfo/data-used-autnums.txt

fi

if [ ! -f asninfo/data-raw-table.txt ]; then

    curl http://thyme.apnic.net/current/data-raw-table  -o asninfo/data-raw-table.txt

fi
            
echo ""

echo "#######################"

echo "ASN names for $NAMETOCHECK"

echo ""

grep -wi "$NAMETOCHECK" asninfo/data-used-autnums.txt > templist

ASNFOUND=0

COUNTER=0

rm rangelist
touch rangelist

while read ASN NAME
do
    let ASNFOUND=ASNFOUND+1
    
    echo "  ------- [ $ASN ] ---------"
    
    echo "  -- $NAME"
    
    echo "  -- RANGES FOR ASN: $ASN"
    
    grep -wi $ASN asninfo/data-raw-table.txt > templist2
    
        while read RANGE ASN2
        do
        
            echo "  --- $RANGE"
            
            let COUNTER=COUNTER+1
            
            echo "$RANGE" >> rangelist
            
        done <templist2
        rm templist2 
        
  
    
done <templist
rm templist
echo "  ------- [ FINISHED ] ---------"
echo "  Found $ASNFOUND ASN match for $NAMETOCHECK"
echo "  Total $COUNTER IP Ranges Found"
echo "  Exported to file: rangelist"
echo ""
echo "  IP Range Extractor By ctrlbox.com"