IPv6 address converters

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Expand IPv6 address

Compress IPv6 address

NIC MAC address to IPv6 link local

IPv6 link local to MAC

CIDR mask to amount of networks or addresses

CIDR =  amount of networks or addresses
/1   = 9,223,372,036,854,775,808 networks of size /64
/2   = 4,611,686,018,427,387,904 networks of size /64
/3   = 2,305,843,009,213,693,952 networks of size /64
/4   = 1,152,921,504,606,846,976 networks of size /64
/5   = 576,460,752,303,423,488 networks of size /64
/6   = 288,230,376,151,711,744 networks of size /64
/7   = 144,115,188,075,855,872 networks of size /64
/8   = 72,057,594,037,927,936 networks of size /64
/9   = 36,028,797,018,963,968 networks of size /64
/10  = 18,014,398,509,481,984 networks of size /64
/11  = 9,007,199,254,740,992 networks of size /64
/12  = 4,503,599,627,370,496 networks of size /64
/13  = 2,251,799,813,685,248 networks of size /64
/14  = 1,125,899,906,842,624 networks of size /64
/15  = 562,949,953,421,312 networks of size /64
/16  = 281,474,976,710,656 networks of size /64
/17  = 140,737,488,355,328 networks of size /64
/18  = 70,368,744,177,664 networks of size /64
/19  = 35,184,372,088,832 networks of size /64
/20  = 17,592,186,044,416 networks of size /64
/21  = 8,796,093,022,208 networks of size /64
/22  = 4,398,046,511,104 networks of size /64
/23  = 2,199,023,255,552 networks of size /64
/24  = 1,099,511,627,776 networks of size /64
/25  = 549,755,813,888 networks of size /64
/26  = 274,877,906,944 networks of size /64
/27  = 137,438,953,472 networks of size /64
/28  = 68,719,476,736 networks of size /64
/29  = 34,359,738,368 networks of size /64
/30  = 17,179,869,184 networks of size /64
/31  = 8,589,934,592 networks of size /64
/32  = 4,294,967,296 networks of size /64
/33  = 2,147,483,648 networks of size /64
/34  = 1,073,741,824 networks of size /64
/35  = 536,870,912 networks of size /64
/36  = 268,435,456 networks of size /64
/37  = 134,217,728 networks of size /64
/38  = 67,108,864 networks of size /64
/39  = 33,554,432 networks of size /64
/40  = 16,777,216 networks of size /64
/41  = 8,388,608 networks of size /64
/42  = 4,194,304 networks of size /64
/43  = 2,097,152 networks of size /64
/44  = 1,048,576 networks of size /64
/45  = 524,288 networks of size /64
/46  = 262,144 networks of size /64
/47  = 131,072 networks of size /64
/48  = 65,536 networks of size /64
/49  = 32,768 networks of size /64
/50  = 16,384 networks of size /64
/51  = 8,192 networks of size /64
/52  = 4,096 networks of size /64
/53  = 2,048 networks of size /64
/54  = 1,024 networks of size /64
/55  = 512 networks of size /64
/56  = 256 networks of size /64
/57  = 128 networks of size /64
/58  = 64 networks of size /64
/59  = 32 networks of size /64
/60  = 16 networks of size /64
/61  = 8 networks of size /64
/62  = 4 networks of size /64
/63  = 2 networks of size /64
/64  = 18,446,744,073,709,551,616 addresses
/65  = 9,223,372,036,854,775,808 addresses
/66  = 4,611,686,018,427,387,904 addresses
/67  = 2,305,843,009,213,693,952 addresses
/68  = 1,152,921,504,606,846,976 addresses
/69  = 576,460,752,303,423,488 addresses
/70  = 288,230,376,151,711,744 addresses
/71  = 144,115,188,075,855,872 addresses
/72  = 72,057,594,037,927,936 addresses
/73  = 36,028,797,018,963,968 addresses
/74  = 18,014,398,509,481,984 addresses
/75  = 9,007,199,254,740,992 addresses
/76  = 4,503,599,627,370,496 addresses
/77  = 2,251,799,813,685,248 addresses
/78  = 1,125,899,906,842,624 addresses
/79  = 562,949,953,421,312 addresses
/80  = 281,474,976,710,656 addresses
/81  = 140,737,488,355,328 addresses
/82  = 70,368,744,177,664 addresses
/83  = 35,184,372,088,832 addresses
/84  = 17,592,186,044,416 addresses
/85  = 8,796,093,022,208 addresses
/86  = 4,398,046,511,104 addresses
/87  = 2,199,023,255,552 addresses
/88  = 1,099,511,627,776 addresses
/89  = 549,755,813,888 addresses
/90  = 274,877,906,944 addresses
/91  = 137,438,953,472 addresses
/92  = 68,719,476,736 addresses
/93  = 34,359,738,368 addresses
/94  = 17,179,869,184 addresses
/95  = 8,589,934,592 addresses
/96  = 4,294,967,296 addresses
/97  = 2,147,483,648 addresses
/98  = 1,073,741,824 addresses
/99  = 536,870,912 addresses
/100 = 268,435,456 addresses
/101 = 134,217,728 addresses
/102 = 67,108,864 addresses
/103 = 33,554,432 addresses
/104 = 16,777,216 addresses
/105 = 8,388,608 addresses
/106 = 4,194,304 addresses
/107 = 2,097,152 addresses
/108 = 1,048,576 addresses
/109 = 524,288 addresses
/110 = 262,144 addresses
/111 = 131,072 addresses
/112 = 65,536 addresses
/113 = 32,768 addresses
/114 = 16,384 addresses
/115 = 8,192 addresses
/116 = 4,096 addresses
/117 = 2,048 addresses
/118 = 1,024 addresses
/119 = 512 addresses
/120 = 256 addresses
/121 = 128 addresses
/122 = 64 addresses
/123 = 32 addresses
/124 = 16 addresses
/125 = 8 addresses
/126 = 4 addresses
/127 = 2 addresses
/128 = 1 address
Instead of the above overview in table fromat you can use as well this calulator:
Written by Guido Socher, MIT license