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256-összes cím |
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Teljes hálózat |
Maszk |
2 hatványai |
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összes cím: |
kiadható |
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maszk |
alhálózati cím |
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az 1. a hálózati cím, az utolsó a rendszer számára fentartott |
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128 |
64 |
32 |
16 |
8 |
4 |
2 |
1 |
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256 |
254 |
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/24 |
255.255.255.0 |
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4-2 |
24+6 |
1 |
1 |
1 |
1 |
1 |
1 |
0 |
0 |
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256-(128+64+32+16+8+4) |
128 |
126 |
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/25 |
255.255.255.128 |
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8-2 |
24+5 |
1 |
1 |
1 |
1 |
1 |
0 |
0 |
0 |
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256-(128+64+32+16+8) |
64 |
62 |
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/26 |
255.255.255.192 |
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16-2 |
24+4 |
1 |
1 |
1 |
1 |
0 |
0 |
0 |
0 |
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256-(128+64+32+16) |
32 |
30 |
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/27 |
255.255.255.224 |
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32-2 |
24+3 |
1 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
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256-(128+64+32) |
16 |
14 |
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/28 |
255.255.255.240 |
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64-2 |
24+2 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
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256-(128+64) |
8 |
6 |
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/29 |
255.255.255.248 |
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128-2 |
24+1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
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256-128 |
4 |
2 |
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/30 |
255.255.255.252 |
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256-2 |
24 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
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256-0 |
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A |
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1-127 |
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B |
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128-191 |
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C |
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192-254 |
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