08-08-2018 06:04 AM
I know the net id of these are not the same, so the two following are not in the same network.Is this right?
165.12.64.0/19
169.12.31.230/19
My friend told me the two ip above are in the range of the following or vise versa!!,but I am very confused about what THE RANGE means here!
165.12.0.0./19
Thanks in advanced
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08-08-2018 06:14 AM - edited 08-08-2018 06:17 AM
Hi there,
You are correct those two subnets do not overlap.
The only subnet that would contain those address ranges would be 10.12.0.0 /17
I suppose by RANGE you friend is talking about sequential contiguous blocks, ie:
165.12.0.0 /19
165.12.32.0 /19
165.12.64.0 /19
...
169.12.96.0 /19
...but that is not a term in this context I am familiar with.
cheers,
Seb.
08-08-2018 06:14 AM - edited 08-08-2018 06:17 AM
Hi there,
You are correct those two subnets do not overlap.
The only subnet that would contain those address ranges would be 10.12.0.0 /17
I suppose by RANGE you friend is talking about sequential contiguous blocks, ie:
165.12.0.0 /19
165.12.32.0 /19
165.12.64.0 /19
...
169.12.96.0 /19
...but that is not a term in this context I am familiar with.
cheers,
Seb.
08-08-2018 06:19 AM - edited 08-08-2018 06:21 AM
Hi
165.12.64.0/19 refers to :
Network range - 165.12.64.0 - 165.12.95.255
Usable range (if you exclude network and broadcast address) - 165.12.64.1 - 165.12.95.254
169.12.31.230/19 refers to :
Network range - 169.12.0.0 - 169.12.31.255
Usable range (if you exclude network and broadcast address) - 169.12.0.1 - 169.12.31.254
165.12.0.0/19 refers to :
Network range - 165.12.0.0 - 165.12.31.255
Usable range (if you exclude network and broadcast address) - 165.12.0.1 - 165.12.31.254
It is wrong to say that 169.12.31.230/19 and 165.12.0.0/19 are both in the same range of IP.
The fisrt supernet where both are included is 160.0.0.0/4.
Take a look on what is CIDR :
https://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing
Regards,
Jérôme
08-08-2018 06:32 AM
08-08-2018 06:56 AM
Just take a look on what is CIDR :
https://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing
You can split 165.12.0.0/19 in a lot of network until mask /32 :
You can get two networks /20, four networks /21, eight networks /22 and so on until 8192 networks /32...
Regards
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