0.0.0.0 --> Current network (only valid as source address) 10.x.x.x --> Private address space for class A networks 14.x.x.x --> Public data network 127.0.0.1 --> Loopback (refers to own computer) 128.0.0.x --> Reserved (IANA) 169.254.0.x --> Zeroconf network 172.16.x.x through 172.31.x.x --> Private address space for class B networks 191.255.0.x --> Reserved (IANA) 192.0.0.x --> Reserved (IANA) 192.88.99.0 --> IPv6 to IPv4 relay 192.168.x.x --> Private address space for class C networks 198.18.0.0 --> Benchmark tests 223.255.255.0 --> Reserved (IANA) 224.0.0.x --> Multicasting 240.0.0.x --> Reserved 255.255.255.255 --> Broadcast
I think I've got that right.
One major block of addresses reserved for special purposes is the IPv4 experimental address range 240.0.0.0 to 255.255.255.254. Currently, they cannot be used in IPv4 networks. However, these addresses could be used for research or experimentation.
In.addr-arpa (ali66reza)
Number 0 is used at the end of an IPv4 address for network identifiers and number 255 is used at end of an IPv4 for broadcast addresses.
When applying IPv4 addresses to router interfaces on a network, you would manually configure predictable addresses. For example, the lowest or highest address of the local subnet, on each particular router interface.
The address space of IPV4 is limited to 4294967296 possible unique addresses.
IP addresses are divided into five IP classes:IP address class AIP address class BIP address class CIP address class DIP address class E
Here are 3 facts about the network portion of an IPv4 address.Identical for all hosts in a broadcast domainVaries in lengthIs used to forward packets
192.169.32.1
To address the exhaustion of available IPv4 addresses, Network Address Translation (NAT) is commonly used. NAT allows multiple devices on a private network to share a single public IP address, enabling continued internet connectivity while conserving the limited pool of IPv4 addresses. This method effectively extends the usability of IPv4 by allowing organizations to use private IP addresses internally and translating them to a public address for external communication.
In IPv4, the loopback address is 127.0.0.1. In IPv6 it is ::1.
Octets
IPV6 is less vulnerable to DNS Spoofing IPv4 addresses use 32 bit or 4 bytes for addressing IPv6 addresses use eight bit segments.