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 …
Determining the network class of an IP address
Network classes are deprecated. As a attempt to cope with IP address exhaustion, the concept of network classes has been dropped in 1992. Before that, for a company with a need for 300 IP …
Usage of 192.168.xxx, 172.xxx and 10.xxx in private networks
Jan 20, 2020 · I know that the organization that distributes IP addresses decided to assign 192.168.xxx, 172.xxx and 10.xxx to private networks. However, I thought that private networks have their own …
routing - 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 …
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 addresses.And wh...
ip - Network Engineering Stack Exchange
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 considered …
Is CIDR IP format currently in use? - Network Engineering Stack Exchange
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 defined CIDR …
How to choose IP address and subnet mask while forming a network
Oct 6, 2021 · Network classes are long dead, obsoleted in 1993 by CIDR, before the Internet went commercial. You should dump any book on IP from before that year. Classful networking may be …
ipv4 - Network Engineering Stack Exchange
Dec 27, 2018 · The subnets of a larger network can be variable sizes, and it is impossible to determine what would be the all-zeroes and all-ones subnets of a variably subnetted network because the all …
Public vs Private IP addresses - Network Engineering Stack Exchange
Mar 17, 2017 · Network classes are dead (please let them rest in peace), killed in 1993 (two years before the Internet went commercial!) by RFCs 1517, 1518, and 1519 that defined CIDR (Classless …