Unable to Hit RHEL Package Repos

I have an instance in us-gov-west which previously could access the RHEL 8 package repos but now cannot. The error I receive is:

Updating Subscription Management repositories.
Unable to read consumer identity

This system is not registered with an entitlement server. You can use subscription-manager to register.

Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/dnf/plugin.py", line 104, in _caller
    getattr(plugin, method)()
  File "/usr/lib/python3.6/site-packages/dnf-plugins/amazon-id.py", line 111, in config
    aws_region = json.loads(id_doc)['region']
  File "/usr/lib64/python3.6/json/__init__.py", line 348, in loads
    'not {!r}'.format(s.__class__.__name__))
TypeError: the JSON object must be str, bytes or bytearray, not 'NoneType'

Red Hat Enterprise Linux 8 for x86_64 - AppStream from RHUI (RPMs)                                                                                                              0.0  B/s |   0  B     00:00    
Errors during downloading metadata for repository 'rhel-8-appstream-rhui-rpms':
  - Curl error (6): Couldn't resolve host name for https://rhui.REGION.aws.ce.redhat.com/pulp/mirror/content/dist/rhel8/rhui/8/x86_64/appstream/os [Could not resolve host: rhui.REGION.aws.ce.redhat.com]
Error: Failed to download metadata for repo 'rhel-8-appstream-rhui-rpms': Cannot prepare internal mirrorlist: Curl error (6): Couldn't resolve host name for https://rhui.REGION.aws.ce.redhat.com/pulp/mirror/content/dist/rhel8/rhui/8/x86_64/appstream/os [Could not resolve host: rhui.REGION.aws.ce.redhat.com]

The issue looks to be that a plugin substitutes REGION with the proper region which isn't happening. I thought the issue might be due to having too old of a version of rh-amazon-rhui-client as I see that was an issue for others in the past so I updated rh-amazon-rhui-client to 4.0.4-1 which did not fix the issue. Networking (routing, DNS, etc) all appears to be functioning fine. Does anyone have any suggestions or pointers? Thank you!