Some organizations or companies have a security policy, limiting which servers can be accessed outside the network. Containerized applications sometimes need to push and/or pull from Docker Hub. Is there a whitelist or list of IPs and/or domains that can be used to update the firewall rules for the security policy?
There isn't a published list of IPs that the official registry uses. Docker's infrastructure isn't guaranteed to stay the same, and thus, Docker cannot provide a list of IPs or domains which could be used as a whitelist for pushes or pulls to the Docker Hub.
For those customers who have intermittent, firewalled, or air-gapped connections to the Internet, offline installations are recommended. Please see the appropriate product documentation on where to download the bits, and how to perform the installations. For example,