Ralph Shumaker wrote:
Michael J McCafferty wrote:
If you do not get any satisfaction there, you can try talking to
ATT. Since the whole 12.0.0.0/8 network is theirs. The Holiday Inn
has just been reallocated the small /27 of IP addresses. I don't
think you will get *too* far with ATT, but it's something.
Can anyone tell me of something somewhere that can explain /8 (or /27,
or others) in terms even a newbie can understand? Thanks in advance.
/n is the number of bits in the network mask. Think of network addresses
as a single 32 bit binary number. In the case of 12.0.0.0/8:
12.0.0.0
00001100 00000000 00000000 00000000 - 12.0.0.0 - host
11111111 00000000 00000000 00000000 - /8 netmask
----------------------------------- - bitwise and the two together
00001100 00000000 00000000 00000000 - 12.0.0.0 - same, not terribly informative
If, however, the host was:
12.169.40.36
00001100 10101001 00101000 00100100 - 12.169.40.36 - host
11111111 00000000 00000000 00000000 - /8 netmask
----------------------------------- - bitwise and the two together
00001100 00000000 00000000 00000000 - 12.0.0.0 - again, identifying the network
-a
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