Chapter 19 IP Address and Service Configuration DGS-3610 Series Configuration Guide
For category D, the four highest-order bits are set to ―1110‖, other bits are used as
multicast addresses.
No addresses are allowed with the four highest-order bits set to ―1111‖.
These addresses, called "category E"-type addresses, are reserved.
During the period of network construction and IP address planning, it is essential to make IP
address allocation according to network property. If you expect to connect your network to
public network, turn to management office to apply for correct IP address allocation. In the
region of China, you can put forward the application to China Internet Network Information
Center (CNNIC). The highest organization is the Internet Corporation for Assigned Names
and Numbers (ICANN) that is responsible for IP address allocation. If the network which is
under constructed will be used as an internal private network, you do not need to apply for
the IP address. It is better to assign special private network address instead of IP address
assignment at random.
The following table lists these addresses which are reserved and available.
224.0.0.0~239.255.255.255
240.0.0.0~255.255.255.254
There are three blocks of the IP address space reserved for private networks. These
addresses are not used for the internet. In order to connect the private networks to Internet,
It‘s required to convert these private IP addresses to valid internet IP addresses. The private
network addresses spaces are listed in the following table, which is defined in RFC 1918.
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