MDM software on iPhone - Monitoring hotspot use?
"List Network Information" is related to blacklisted websites and what the device is using to connect to the internet (Roaming, VPN). For example if the corporate policy demands the device connecting through the corporate network.

Here you may get a sneak peak of what is able to get configured: http://www.wpci.com/wp-content/uploads/2015/02/BES10-2-FDM-EMM-data-sheet1.pdf (last page for iOS and Android)

Furthermore, see https://help.blackberry.com/en/blackberry-uem/12.7/administration/filtering-web-content.html and accompanied pages.

So, answering your question: It is possible, but you may never know what data your company is analyzing. The certificate with "list network information" just says it is theoretically possible.