[lacnog] Duda real capacidad direccionamiento IPv4
Carlos A. Afonso
ca en cafonso.ca
Jue Nov 13 19:48:40 BRST 2014
La tabla muestra que si el espacio de números fuera 2^64 tendríamos
18,446,744,073,709,600,000 (18.4 quintillones) de direcciones.
¿Ya preocuparía a las hormigas?
[]s fraternos
--c.a.
On 11/13/2014 07:24 PM, Jaime Olmos wrote:
> Haciendo un ejercicio en una tabla de cálculos las direcciones de IPv6
> (2^128) es de 39 dígitos decimales o 36 dígitos después del 340, como
> se muestra a continuación:
>
> 340,282,366,920,938,000,000,000,000,000,000,000,000
>
> También, 340 se puede expresar en escala corta como undecillones o
> escala larga como 340 sextillones y en escala binaria como 340 epicbits.
>
>
>
> bits combinaciones Unidad 10^x Escala corta Escala larga
> 0 1 bit
> 1 2
> 2 4
> 3 8
> 4 16
> 5 32
> 6 64
> 7 128
> 8 256
> 9 512
> 10 1,024 Kilobits 3 Mil/Millar
> 11 2,048
> 12 4,096
> 13 8,192
> 14 16,384
> 15 32,768
> 16 65,536
> 17 131,072
> 18 262,144
> 19 524,288
> 20 1,048,576 Megabits 6 Millón
> 21 2,097,152
> 22 4,194,304
> 23 8,388,608
> 24 16,777,216
> 25 33,554,432
> 26 67,108,864
> 27 134,217,728
> 28 268,435,456
> 29 536,870,912
> 30 1,073,741,824 Gigabits 9 Billón Mil millones/Millardo
> 31 2,147,483,648
> 32 4,294,967,296
> 33 8,589,934,592
> 34 17,179,869,184
> 35 34,359,738,368
> 36 68,719,476,736
> 37 137,438,953,472
> 38 274,877,906,944
> 39 549,755,813,888
> 40 1,099,511,627,776 Terabits 12 Trillón Billón
> 41 2,199,023,255,552
> 42 4,398,046,511,104
> 43 8,796,093,022,208
> 44 17,592,186,044,416
> 45 35,184,372,088,832
> 46 70,368,744,177,664
> 47 140,737,488,355,328
> 48 281,474,976,710,656
> 49 562,949,953,421,312
> 50 1,125,899,906,842,620 Petabits 15 Cuatrillón Mil billones
> 51 2,251,799,813,685,250
> 52 4,503,599,627,370,500
> 53 9,007,199,254,740,990
> 54 18,014,398,509,482,000
> 55 36,028,797,018,964,000
> 56 72,057,594,037,927,900
> 57 144,115,188,075,856,000
> 58 288,230,376,151,712,000
> 59 576,460,752,303,423,000
> 60 1,152,921,504,606,850,000 Exabits 18 Quintillón Trillón
> 61 2,305,843,009,213,690,000
> 62 4,611,686,018,427,390,000
> 63 9,223,372,036,854,780,000
> 64 18,446,744,073,709,600,000
> 65 36,893,488,147,419,100,000
> 66 73,786,976,294,838,200,000
> 67 147,573,952,589,676,000,000
> 68 295,147,905,179,353,000,000
> 69 590,295,810,358,706,000,000
> 70 1,180,591,620,717,410,000,000 Zettabits 21 Sextillón Mil trillones
> 71 2,361,183,241,434,820,000,000
> 72 4,722,366,482,869,650,000,000
> 73 9,444,732,965,739,290,000,000
> 74 18,889,465,931,478,600,000,000
> 75 37,778,931,862,957,200,000,000
> 76 75,557,863,725,914,300,000,000
> 77 151,115,727,451,829,000,000,000
> 78 302,231,454,903,657,000,000,000
> 79 604,462,909,807,315,000,000,000
> 80 1,208,925,819,614,630,000,000,000 Yotabits 24 Septillón Cuatrillón
> 81 2,417,851,639,229,260,000,000,000
> 82 4,835,703,278,458,520,000,000,000
> 83 9,671,406,556,917,030,000,000,000
> 84 19,342,813,113,834,100,000,000,000
> 85 38,685,626,227,668,100,000,000,000
> 86 77,371,252,455,336,300,000,000,000
> 87 154,742,504,910,673,000,000,000,000
> 88 309,485,009,821,345,000,000,000,000
> 89 618,970,019,642,690,000,000,000,000
> 90 1,237,940,039,285,380,000,000,000,000 Brontobits 27 Octillón Mil
> cuatrillones
> 91 2,475,880,078,570,760,000,000,000,000
> 92 4,951,760,157,141,520,000,000,000,000
> 93 9,903,520,314,283,040,000,000,000,000
> 94 19,807,040,628,566,100,000,000,000,000
> 95 39,614,081,257,132,200,000,000,000,000
> 96 79,228,162,514,264,300,000,000,000,000
> 97 158,456,325,028,529,000,000,000,000,000
> 98 316,912,650,057,057,000,000,000,000,000
> 99 633,825,300,114,115,000,000,000,000,000
> 100 1,267,650,600,228,230,000,000,000,000,000 Geopbits 30 Nonillón
> Quintillón
> 101 2,535,301,200,456,460,000,000,000,000,000
> 102 5,070,602,400,912,920,000,000,000,000,000
> 103 10,141,204,801,825,800,000,000,000,000,000
> 104 20,282,409,603,651,700,000,000,000,000,000
> 105 40,564,819,207,303,300,000,000,000,000,000
> 106 81,129,638,414,606,700,000,000,000,000,000
> 107 162,259,276,829,213,000,000,000,000,000,000
> 108 324,518,553,658,427,000,000,000,000,000,000
> 109 649,037,107,316,853,000,000,000,000,000,000
> 110 1,298,074,214,633,710,000,000,000,000,000,000 Saganbits 33
> Decillón Mil quintillones
> 111 2,596,148,429,267,410,000,000,000,000,000,000
> 112 5,192,296,858,534,830,000,000,000,000,000,000
> 113 10,384,593,717,069,700,000,000,000,000,000,000
> 114 20,769,187,434,139,300,000,000,000,000,000,000
> 115 41,538,374,868,278,600,000,000,000,000,000,000
> 116 83,076,749,736,557,200,000,000,000,000,000,000
> 117 166,153,499,473,114,000,000,000,000,000,000,000
> 118 332,306,998,946,229,000,000,000,000,000,000,000
> 119 664,613,997,892,458,000,000,000,000,000,000,000
> 120 1,329,227,995,784,920,000,000,000,000,000,000,000 Epicbits 36
> Undecillón Sextillón
> 121 2,658,455,991,569,830,000,000,000,000,000,000,000
> 122 5,316,911,983,139,660,000,000,000,000,000,000,000
> 123 10,633,823,966,279,300,000,000,000,000,000,000,000
> 124 21,267,647,932,558,700,000,000,000,000,000,000,000
> 125 42,535,295,865,117,300,000,000,000,000,000,000,000
> 126 85,070,591,730,234,600,000,000,000,000,000,000,000
> 127 170,141,183,460,469,000,000,000,000,000,000,000,000
> 128 *340,282,366,920,938,000,000,000,000,000,000,000,000*
>
> Saludos,
>
> Jaime Olmos
>
> *NOC UDG tel. (33) 31342221 ext. 12327*
>
> http://www.ipv6.udg.mx
>
>
>
>
> On 13/11/14 2:32, "Fernando Gont" <fgont en si6networks.com
> <mailto:fgont en si6networks.com>> wrote:
>
> On 11/12/2014 05:41 AM, Carlos A. Afonso wrote:
>
> OK, o sea, solo restarían como 150 undecilliones de direcciones
> ipv6... :)
>
>
> No tengo ni idea cuanto es eso en numeros..
>
> *Si* es significativo que a la practica la cantidad de sistemas
> direccionables está mas bien en el orden de 2^9 * 2^64 que de 2^128.
>
> Y en cualquiera de los casos, tampoco se cuanta utilidad tendría ;-)
> --
> Fernando Gont
> SI6 Networks
> e-mail: fgont en si6networks.com <mailto:fgont en si6networks.com>
> PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492
>
>
>
>
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