This script is inteneded to fetch the whois of all Pingdom probe servers in order to check from which ISPs they check

pingdom.sh

#!/bin/bash
# This script is inteneded to fetch the whois of all Pingdom probe servers in order to check from which ISPs they check
# https://support.pingdom.com/Knowledgebase/Article/View/16/0/where-can-i-find-a-list-of-ip-addresses-for-your-probe-servers
#set -x

for ip in `wget --quiet -O- https://www.pingdom.com/rss/probe_servers.xml | perl -nle 'print $1 if /IP: (([01]?\d\d?|2[0-4]\d|25[0-5])\.([01]?\d\d?|2[0-4]\d|25[0-5])\.([01]?\d\d?|2[0-4]\d|25[0-5])\.([01]?\d\d?|2[0-4]\d|25[0-5]));/'`
  do whois $ip >> whois.txt
  #do echo $ip
done