Ruijie RG-S2900G-E Series, Configuration Manual

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Configuration Guide IP Address and Service Configuration
Class D IP
address
1 1 1 0 Multicast address
Note
An IP address whose highest four bits are 1111 is prohibited.
This type of IP address, also called Class E IP address, is
reserved.
When you build up a network, you should execute IP addressing according to
the real network environment. To make the network connect to the Internet, you
need apply for IP addresses from a central authority, for example, the China
Internet Network Information Center (CNNIC) in China. It is the Internet
Corporation for Assigned Names and Numbers (ICANN) that is responsible for
IP address allocation. However, a private network does not require the
application of IP addresses. It is recommended to assign private IP addresses
for them.
The following table lists those reserved and available addresses by class.
Class Address Range Status
Class A
0.0.0.0 Reserved
1.0.0.0 to 126.0.0.0 Available
127.0.0.0 Reserved
Class B
128.0.0.0 to191.254.0.0 Available
191.255.0.0 Reserved
Class C
192.0.0.0 Reserved
192.0.1.0 to 223.255.254.0 Available
223.255.255.0 Reserved
Class D 224.0.0.0 to 239.255.255.255 Available
Class E
240.0.0.0 to 255.255.255.254 Reserved
255.255.255.255 Multicast
There are three blocks of IP addresses reserved for private networks that are
not used in the Internet. Address translation is required for a private network
using one of these IP addresses to access the Internet. The following table
details these addresses, which are defined in RFC 1918.
Class IP Address Range Network Numbers
Class A 10.0.0.0 to 10.255.255.255 1
Class B 172.16.0.0 to 172.31.255.255 16
Class C 192.168.0.0 to 192.168.255.255 256