What is the problem?
Some IP addresses don't return ASN information from the MaxMind database.
For these IPs, the IPInfo popup is blank.
This is tested using MaxMind's GeoLite2 database. I don't know whether there are empty ASN on the paid version as well.
Steps to reproduce problem
Example from thegoodplace: https://thegoodplace.wmcloud.org/rest.php/ipinfo/v0/log/92