To further clarify...there are two types of IP addresses that everyone needs to be aware of...private IP vs. public IP. Private IP
This would be your internal LAN. Basically, it's anything connected to your wifi router. All devices would have internal/private IP's such as... 192.168.1.1 and so on. This IP is not seen by the outside world. ( IPBurger won't show this). Public IP
It is sometimes referred to as your external IP or routable IP. This is how the rest of the world sees you. If you're ever downloading a song/movie on a torrent site (not that I condone this), this is the IP that people see you as. The example I used above...68.46.1.1 would be a public IP. This is the IP that IPBurger would detect.
Getting back to the OP's original question of linking on the same subnet...
If the OP used another device on the 192.168.1.x subnet, then yes they will be linked because all devices on the 192.168.1.x subnet will share the same public IP. The key is to always check a service like IPBurger.com to ensure your public IP has changed.
A good tool to keep track of your internal devices that I personally use is Cisco's Network Magic (the free version works well). It displays all of my devices on a convenient network map. I know all of my devices private IP's along w/ each of their MAC addresses - a good way to track MAC's for stealth use.
 | 
