Thank you! Unfortunately, I haven't found many providers offering this, but I'll look into adding it for the ones that do.
In the meantime, you could ping their domain name to get a rough idea (if they don't use CloudFlare or block ICMP) and contact their sales team to see if they can hook you up with something more accurate.
In the meantime, you could ping their domain name to get a rough idea (if they don't use CloudFlare or block ICMP) and contact their sales team to see if they can hook you up with something more accurate.