Internet Protocol version 6 (IPv6) is the most recent version of the Internet Protocol (IP). From the below IPv6 Subnetting Chart, you can identify a network interface of a computer or other network node participating in an IPv6 computer network. Different types of network links may require different subnet sizes. Find here the IPv6 Subnet Mask Table that gives you with the IPv6 CIDR Subnet with the Number of IP's required to link.
| IPv6 CIDR Subnet | Number of IPs |
|---|---|
| /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 | 18,014,398,509,481,985 |
| /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 |
| Residential – /64 | 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 |
| Business – /48 | 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 |
| ISP – /32 | 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 |
