| Table of contents |
|
2 Class B 3 Class C 4 Class D 5 Class E 6 Special Addresses |
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Network Mask:
10nnnnnn.nnnnnnnn.hhhhhhhh.hhhhhhhh
110nnnnn.nnnnnnnn.nnnnnnnn.hhhhhhhh
First Octet Range: 224-247
1110mmmm.mmmmmmmm.mmmmmmmm.mmmmmmmm
First Octet Range: 248-255
1111rrrr.rrrrrrrr.rrrrrrrr.rrrrrrrr
{| border="1" cellpadding="2"
! address
! purpose
! class
! # of addresses
|-
| 127.0.0.0 - 127.255.255.255
| localhost
| A
| 16,777,216
|-
| 10.0.0.0 - 10.255.255.255
| intranet
| A
| 16,777,216
|-
| 172.16.0.0 - 172.31.255.255
| intranet
| B
| 1,048,576
|-
| 192.168.0.0 - 192.168.255.255
| intranet
| C
| 65,536
|}
Class A
First Octet Range: 0-127Class B
First Octet Range: 128-191Class C
First Octet Range: 192-223Class D
Class D addresses are multicast addresses.Class E
Class E addresses are reserved for experimental use.Special Addresses
Some addresses are reserved for special uses.
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