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Appendix E: Understanding IP and IP addressing 151
DMS-100 Family EIU User Guide TELECOM12
Two additional address classes exist. Class D addresses support IP
multicasting, which is used to transmit packets to multiple IP addresses. Class
E addresses are reserved for Internet engineering task force experimental use.
Network address 127 is not a valid network number. It is used for testing
purposes only.
The EIU supports Ethernet connectivity to class A, B or C networks.
The following diagrams show addressing and subnet mask examples of
Network classes.
C 192 to 223 This is used for smaller networks having fewer than
255 nodes, such as smaller colleges and businesses
(for example, 195.10.107.0).
Table 36 IP address classes
Class Range Description