On 2020-02-23 03:52, John M. Harris Jr wrote:
We've already confirmed, earlier in the thread, that it's on a public IP.
That is only true in the context of the IPv6 address space.
There is no reason why the IPv4 address can't be "private" with NAT being performed by another device within the Comcast network.
As the OP requested:
ip add show
will show all the addresses assigned on the system.