Subnetting in IPv4 ist noch relativ einfach. IPv6 zeigt sich hier ein wenig komplizierter.
Um dem entgegen zu wirken, sind folgende beiden Tabellen Goldwert :)

– IPv6 Subnetting Tabelle
– IPv6 CIDR Tabelle

IPv6 Subnetting Tabelle:

2001:0000:0000:0000:0000:0000:0000:0000
     |||| |||| |||| |||| |||| |||| ||||
     |||| |||| |||| |||| |||| |||| |||128
     |||| |||| |||| |||| |||| |||| ||124
     |||| |||| |||| |||| |||| |||| |120
     |||| |||| |||| |||| |||| |||| 116
     |||| |||| |||| |||| |||| |||112
     |||| |||| |||| |||| |||| ||108
     |||| |||| |||| |||| |||| |104
     |||| |||| |||| |||| |||| 100
     |||| |||| |||| |||| |||96
     |||| |||| |||| |||| ||92
     |||| |||| |||| |||| |88
     |||| |||| |||| |||| 84
     |||| |||| |||| |||80
     |||| |||| |||| ||76
     |||| |||| |||| |72
     |||| |||| |||| 68
     |||| |||| |||64
     |||| |||| ||60
     |||| |||| |56
     |||| |||| 52
     |||| |||48
     |||| ||44
     |||| |40
     |||| 36
     |||32
     ||28
     |24
     20

 

IPv6 CIDR Tabelle:

CIDR:               Adresses:

/128                1
/127                2
/126                4
/125                8
/124                16
/123                32
/122                64
/121                128
/120                256
/119                512
/118                1.024
/117                2.048
/116                4.096
/115                8.192
/114                16.384
/113                32.768
/112                65.536
/111                131.072
/110                262.144
/109                524.288
/108                1.048.576
/107                2.097.152
/106                4.194.304
/105                8.388.608
/104                16.777.216
/103                33.554.432
/102                67.108.864
/101                134.217.728
/100                268.435.456
/99                 536.870.912
/98                 1.073.741.824
/97                 2.147.483.648
/96                 4.294.967.296
/95                 8.589.934.592
/94                 17.179.869.184
/93                 34.359.738.368
/92                 68.719.476.736
/91                 137.438.953.472
/90                 274.877.906.944
/89                 549.755.813.888
/88                 1.099.511.627.776
/87                 2.199.023.255.552
/86                 4.398.046.511.104
/85                 8.796.093.022.208
/84                 17.592.186.044.416
/83                 35.184.372.088.832
/82                 70.368.744.177.664
/81                 140.737.488.355.328
/80                 281.474.976.710.656
/79                 562.949.953.421.312
/78                 1.125.899.906.842.624
/77                 2.251.799.813.685.248
/76                 4.503.599.627.370.496
/75                 9.007.199.254.740.992
/74                 18.014.398.509.481.984
/73                 36.028.797.018.963.968
/72                 72.057.594.037.927.936
/71                 144.115.188.075.855.872
/70                 288.230.376.151.711.744
/69                 576.460.752.303.423.488
/68                 1.152.921.504.606.846.976
/67                 2.305.843.009.213.693.952
/66                 4.611.686.018.427.387.904
/65                 9.223.372.036.854.775.808
/64 (Residential)   18.446.744.073.709.551.616
/63                 36.893.488.147.419.103.232
/62                 73.786.976.294.838.206.464
/61                 147.573.952.589.676.412.928
/60                 295.147.905.179.352.825.856
/59                 590.295.810.358.705.651.712
/58                 1.180.591.620.717.411.303.424
/57                 2.361.183.241.434.822.606.848
/56                 4.722.366.482.869.645.213.696
/55                 9.444.732.965.739.290.427.392
/54                 18.889.465.931.478.580.854.784
/53                 37.778.931.862.957.161.709.568
/52                 75.557.863.725.914.323.419.136
/51                 151.115.727.451.828.646.838.272
/50                 302.231.454.903.657.293.676.544
/49                 604.462.909.807.314.587.353.088
/48 (Business)      1.208.925.819.614.629.174.706.176
/47                 2.417.851.639.229.258.349.412.352
/46                 4.835.703.278.458.516.698.824.704
/45                 9.671.406.556.917.033.397.649.408
/44                 19.342.813.113.834.066.795.298.816
/43                 38.685.626.227.668.133.590.597.632
/42                 77.371.252.455.336.267.181.195.264
/41                 154.742.504.910.672.534.362.390.528
/40                 309.485.009.821.345.068.724.781.056
/39                 618.970.019.642.690.137.449.562.112
/38                 1.237.940.039.285.380.274.899.124.224
/37                 2.475.880.078.570.760.549.798.248.448
/36                 4.951.760.157.141.521.099.596.496.896
/35                 9.903.520.314.283.042.199.192.993.792
/34                 19.807.040.628.566.084.398.385.987.584
/33                 39.614.081.257.132.168.796.771.975.168
/32 (ISP)           79.228.162.514.264.337.593.543.950.336
/31                 158.456.325.028.528.675.187.087.900.672
/30                 316.912.650.057.057.350.374.175.801.344
/29                 633.825.300.114.114.700.748.351.602.688
/28                 1.267.650.600.228.229.401.496.703.205.376
/27                 2.535.301.200.456.458.802.993.406.410.752
/26                 5.070.602.400.912.917.605.986.812.821.504
/25                 10.141.204.801.825.835.211.973.625.643.008
/24                 20.282.409.603.651.670.423.947.251.286.016
/23                 40.564.819.207.303.340.847.894.502.572.032
/22                 81.129.638.414.606.681.695.789.005.144.064
/21                 162.259.276.829.213.363.391.578.010.288.128
/20                 324.518.553.658.426.726.783.156.020.576.256
/19                 649.037.107.316.853.453.566.312.041.152.512
/18                 1.298.074.214.633.706.907.132.624.082.305.024
/17                 2.596.148.429.267.413.814.265.248.164.610.048
/16                 5.192.296.858.534.827.628.530.496.329.220.096
/15                 10.384.593.717.069.655.257.060.992.658.440.192
/14                 20.769.187.434.139.310.514.121.985.316.880.384
/13                 41.538.374.868.278.621.028.243.970.633.760.768
/12                 83.076.749.736.557.242.056.487.941.267.521.536
/11                 166.153.499.473.114.484.112.975.882.535.043.072
/10                 332.306.998.946.228.968.225.951.765.070.086.144
/9                  664.613.997.892.457.936.451.903.530.140.172.288
/8                1.329.227.995.784.915.872.903.807.060.280.344.576