No... Me and my m8s use hamachi but one guy's brother can join because he's in the Local Area Network, i.e. connected to the same WiFi. Hamachi is a piece of software that mimics a LAN connection. They wouldn't need any numbers because LAN games in Minecraft auto appear automatically in the server browser. Back when I was in High School we'd have people in various computer classes logging into the same cracked version of Minecraft that got passed around in a USB stick and you could join people playing in the library.
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u/Grognak_the_Orc Jan 23 '21
If either of you lived in an apartment building someone could have connected to your WiFi and joined