Cant offer much help, other than Now broadband uses a dynamic IP address so accessing devices by ip from outside your home network isnt possible unless you know what IP now has assigned to your router.
There are of course work arounds such as DDNS services to access devices from outside the home network.
Essentialy Now is a consumer level service with a very basic router , and if you can afford to run a bitcoin/crypto miner then you should be looking at a better router than the one supplied by Now.
