[App_rpt-users] strange...

[Pierre Martel]

The Internet Engineering Task Force
<https://en.wikipedia.org/wiki/Internet_Engineering_Task_Force> (IETF) has
directed the Internet Assigned Numbers Authority
<https://en.wikipedia.org/wiki/Internet_Assigned_Numbers_Authority> (IANA)
to reserve the following IPv4 address ranges for private networks:[1]
<https://en.wikipedia.org/wiki/Private_network#cite_note-rfc1918-1>(p4)
RFC1918 nameIP address rangeNumber of addressesLargest CIDR
<https://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing> block
(subnet mask)Host ID sizeMask bits*Classful
<https://en.wikipedia.org/wiki/Classful_network>* description[Note 1]
<https://en.wikipedia.org/wiki/Private_network#cite_note-4>
24-bit block 10.0.0.0 – 10.255.255.255 16777216 10.0.0.0/8 (255.0.0.0) 24
bits 8 bits single class A network
20-bit block 172.16.0.0 – 172.31.255.255 1048576 172.16.0.0/12 (255.240.0.0) 20
bits 12 bits 16 contiguous class B networks
16-bit block 192.168.0.0 – 192.168.255.255 65536 192.168.0.0/16
(255.255.0.0) 16 bits 16 bits 256 contiguous class C networks

In practice, it is common to subdivide these ranges into smaller subnets.


192.168.x.x is a private subnet

192.83.x.x in a public subnet




Le dim. 20 déc. 2020 à 11:37, ARS W5OMR <ars.w5omr at gmail.com> a écrit :

> just saw this in my konsole...
> [Dec 20 09:37:34] NOTICE[585]: chan_iax2.c:9712 socket_process:
> Registration of '29655' rejected: 'Password incorrect' from: '192.83.199.4'
>
> I know 192.xx.xxx is an internal address, so... what the hell?
>
> --
>
> 73 = Best Regards,
> -Geoff/W5OMR
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