sanderfoobar

#!/bin/bash
# one-liner to convert ASN to ip addresses. Results will be appended to `ips.out`. sander@cedsys.nl | 1-7-2017
# requires: apt-get install prips
for asn in AS51468 AS37061 AS198810 AS39513; 
    do $(for range in $(echo $(whois -h whois.radb.net -- "-i origin $asn" | grep -Eo "([0-9.]+){4}/[0-9]+") | sed ':a;N;$!ba;s/\n/ /g'); 
        do prips $range >> ips.out; 
    done); 
done