On 2019-04-28, Wols Lists <antli...@youngman.org.uk> wrote: > On 28/04/19 00:37, Dale wrote: > >> I'm no networking guru by any stretch, I'm sure others would agree >> with that, but that's my thinking. After all, if you have a >> printer with the same IP, how would it know mine from yours unless >> it is local only? From my understanding, 192.168.*.* addresses are >> always local only IPs. > > Google for RFC 1918. There are two other network ranges, one of which is > 10/8. > > The idea is that 192.168/24 gives you 256 class C addresses,
Yes, the entire 192.168.0.0/16 block is non-routable. > then there's a class B address, can't remember what it is, 172.16.0.0/12 is non-routable and contains 16 contiguous class B blocks. > and 10/8 is a class A address. See also https://en.wikipedia.org/wiki/Private_network There's also 169.254.0.0/16 which is a non-routable block for use by zero-conf et alia. -- Grant Edwards grant.b.edwards Yow! OVER the underpass! at UNDER the overpass! gmail.com Around the FUTURE and BEYOND REPAIR!!