Confusing A, B, C network classes - Network Engineering Stack Exchange
Feb 26, 2014 · There is a single /8 network within the former class A space (giving a single class A network), a /12 within the former class B space (giving 16 class B networks), and a /16 within the …
Public and Private IP address range confusion [duplicate]
Jan 17, 2023 · If you must go back internet-centuries, to a time long before you were born (probably), yes, the three blocks defined in RFC1918 ("Private" addresses), are each Class A (/8), Class B (/16), …
why private ip address need to use specific CIDR prefixs as /8, /12 ...
I already answered this. ONE CLASS A, 16 CLASS B's, 256 CLASS C's /8, /12, and /16 are the respective sizes to get those.
how to find a minimum number of host bits needed? [duplicate]
Oct 14, 2015 · This is usually taught in any networking class or explanation of subnetting. The inverse of 2^x is log (x)/log (2) so to get the number of bits for 22 addresses, you just do: log(22)/log(2) = 4.459 …
How to find number of borrowed bits in subnetting
There is a section called Calculating subnets that explains this. Also, understand that network classes are dead, killed in 1993 by RFCs 1518 and 1519, which defined CIDR (Classless Inter-Domain …
ipv4 - The slash after an IP Address - CIDR Notation - Network ...
May 26, 2023 · The slash following the IP address is the abbreviation for the subnet mask. The binary version of a subnet mask is going to be comprised of ones and zeros just as the binary verison of an …
Does CIDR really "do away" with IP address classes?
Jul 10, 2015 · A Class C network cannot be a subset of a Class B network, because the top bits cannot match both. Your hypothetical organization with 3 Class C networks would have to pay attention to …
How do you calculate the prefix, network, subnet, and host numbers?
Given, for example, a 10.11.12.0/24 network, many people incorrectly call that a Class C network because of the /24 network mask, even though the first bit of the address is 0, making it is a Class A …
Class D network for multicasting between group
Aug 17, 2021 · A multicast Class D address is used as the destination address of IPv4 multicast datagrams. So, the key point to note is that in IPv4, multicast Class D addresses identify a multicast …
Is `0.0.0.0/1` a valid IP address? If so, what does it indicate?
Nov 14, 2022 · It's the CIDR notation for the block of addresses that were formerly known as class A (class B is 128.0.0.0/2, class C is 192.0.0.0/3 class D is 224.0.0.0/4 and class E is 240.0.0.0/4) . As …