
Confusing A, B, C network classes - Network Engineering Stack …
Feb 26, 2014 · Class C: Most significant bits start with 110 The "classes" came from the way they split up the address space for use between "host" and "network". Keep in mind that back then …
Is there any point to learning about old network address classes ...
Jan 11, 2023 · It's 2023 and I continue to see people write about IPv4 A,B,C,D, and E networking classes like they still mean something and without saying it's only mentioned for historical …
why private ip address need to use specific CIDR prefixs as /8, /12 ...
since Network address classes are dead and we are in CIDR world, so we can use any prefix we want such as /9, /17, /25 etc, so why there are still "default" CIDR prefixs /8, /12, /16 being used?
Is CIDR IP format currently in use? - Network Engineering Stack …
Feb 25, 2022 · Network address classes are dead (please let them rest in peace), killed in 1993, two years before the commercial Internet in 1995) by RFCs 1517, 1518, and 1519, which …
Understanding IP scheme, distribution and usage [duplicate]
I'm new to networking and I'm doing my best to understand how things work. I do have a problem in understanding IP scheme idea (even though obsolete), more specifically, their structure, …
Why there are no different classes of network in IPv6?
In IPv4 we have class A, class B, and class C. In IPv6 we have only global prefix and Interface ID. I know there are plenty of addresses in IPv6 but it gives room for too many host …
ip - Is there anything stopping me from using Class A addresses …
Feb 14, 2018 · I've been reading about IPv4, networking, subnetting and the different classes of addresses. I understand that IP addresses beginning with numbers from 1 to 126 are …
Does CIDR really "do away" with IP address classes?
Jul 10, 2015 · I am still struggling to understand to what extent CIDR really renders IP address classes obsolete. Here's what I understood so far: It's ridiculously inefficient (and impossible, …
Public and Private IP address range confusion [duplicate]
Jan 17, 2023 · Network address classes are dead (please let them rest in peace), killed in 1993 (two years before the commercial Internet in 1993) by RFCs 1517, 1518, and 1519, which …
Connecting two different networks behind different firewalls
Apr 26, 2024 · I have two LANs in the same building with different ISP and both behind different hardware firewalls connected to a switch like in the first picture bellow. Before, both LANs …