this post was submitted on 01 Aug 2025

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We don't talk about IPv5 (lemmy.world)

submitted 5 days ago by qaz@lemmy.world to c/programmer_humor@programming.dev

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[–] ramjambamalam@lemmy.ca 5 points 5 days ago* (last edited 5 days ago)

A /8 subnet is basically everything after the first of the four segments, e.g. 127.*.*.*. marine_mustang was saying that loopback (what you think of as only 127.0.0.1) is actually an entire subnet, so any address that starts with 127 will hit the loopback interface. TIL, never thought about it much before.