Outubro 2008
Prof. Ismael H. F. Santos
- ismael@tecgraf.puc-rio.br
2
Decimal representation of Internet addresses
octet 1
octet 2
octet 3
Class A:
1 to 127
0 to 255
0 to 255
1 to 254
Class B:
128 to
191
Class C:
192 to
223
224 to
239
Class D (multicast):
Network
ID
Network
ID
Network
ID
Host ID
Host ID
Host ID
Multicast
address
0 to 255
0 to 255
1 to 254
0 to 255
0 to 255
0 to 255
0 to 255
0 to 255
0 to 255
Multicast
address
0 to 255
0 to 255
1 to 254
240 to
255
Class E (reserved):
1.0.0.0
to
127.255.255.255
128.0.0.0
to
191.255.255.255
192.0.0.0
to
223.255.255.255
224.0.0.0
to
239.255.255.255
240.0.0.0
to
255.255.255.255
Range
of addresses