Classes of ip addresses
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There are 5 classes of IP addresses - A, B, C, D and E - defined by TCP/IP, with classes A, B and C used for host addresses and classes D and E used for multicast and experimental purposes respectively. The value of the first octet determines the class and range of valid IP addresses. Special IP address ranges include 0.0.0.0/8 for communicating with the local network, 127.0.0.0/8 for loopback addresses, and 169.254.0.0/16 for link-local addresses.
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Classes of ip addresses
- 1. Classes of IP addresses
- 2. TCP/IP defines five classes of IP addresses: class A, B, C, D, and E. Each class has a range of valid IP addresses. The value of the first octet determines the class. IP addresses from the first three classes (A, B and C) can be used for host addresses. The other two classes are used for other purposes (class D for multicast and class E for experimental purposes).
- 3. Classes of IP addresses: Class First Octet Value Subnet Mask A 0 – 127 8 B 128 – 191 16 C 192 – 223 24 D 224 – 239 - E 240 - 255 -
- 4. Special IP address ranges: 0.0.0.0/8 - addresses used to communicate with the current network 127.0.0.0/8 - loopback addresses 169.254.0.0/16 - link-local addresses