Subnets; Table 4: Private Ip Address Ranges - Hitron CGNV2 User Manual

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
Your Internet Service Provider

You (or your network devices)
IANA is responsible for IP address allocation on a global scale, and your ISP assigns
IP addresses to its customers. You should never attempt to define your own IP
addresses on a public network, but you are free to do so on a private network.
In the case of the CGNV2:

The public network (Wide Area Network or WAN) is the link between the cable
(CATV) connector and your Internet Service Provider. Your CGNV2's IP
address on this network is assigned by your service provider.

The private network (in routing mode - see
Local Area Network (LAN) and Wireless Local Area Network (WLAN), if
enabled. You are free to assign IP addresses to computers on the LAN and
WLAN manually, or to allow the CGNV2 to assign them automatically via DHCP
(Dynamic Host Configuration Protocol). IANA has reserved the following blocks
of IP addresses to be used for private networks only:
TABLE 4:
FROM...
10.0.0.0
172.16.0.0
192.168.0.0
If you assign addresses manually, they must be within the CGNV2's LAN
subnet.
2.1.2.3
A subnet (short for sub-network) is, as the name suggests, a separate section of a
network, distinct from the main network of which it is a part. A subnet may contain all
of the computers at one corporate local office, for example, while the main network
includes several offices.
In order to define the extent of a subnet, and to differentiate it from the main network,
a subnet mask is used. This "masks" the part of the IP address that refers to the main
network, leaving the part of the IP address that refers to the sub-network.
Each subnet mask has 32 bits (binary digits), as does each IP address:

A binary value of 1 in the subnet mask indicates that the corresponding bit in the
IP address is part of the main network.

A binary value of 0 in the subnet mask indicates that the corresponding bit in the
IP address is part of the sub-network.
CABLE
Private IP Address Ranges
...TO
10.255.255.255
172.31.255.255
192.168.255.255

SUBNETS

HITRON CGNV2 USER'S GUIDE
Routing Mode on page 28) is your