CIDR	Start of range	End of range - Total addresses	Total /64 subnets
0::0/0	::	ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 340,282,366,920,938,463,463,374,607,431,768,211,456	18,446,744,073,709,551,616
f000::/1	f000::	ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 170,141,183,460,469,231,731,687,303,715,884,105,728	9,223,372,036,854,775,808
4000::/2	4000::	7fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 85,070,591,730,234,615,865,843,651,857,942,052,864	4,611,686,018,427,387,904
2000::/3	2000::	3fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 42,535,295,865,117,307,932,921,825,928,921,026,432	2,305,843,009,213,693,452
2000::/4	2000::	2fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 21,267,647,932,558,653,966,460,912,964,485,513,216	1,152,921,504,606,846,976
2000::/5	2000::	27ff:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 10,633,823,966,279,326,983,230,456,482,242,756,608	576,460,752,303,423,488
2000::/6	2000::	23ff:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 5,316,911,983,139,663,491,615,228,241,121,378,304	288,230,376,151,711,744
2000::/7	2000::	21ff:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 2,658,455,991,569,831,745,807,614,120,560,689,152	144,115,188,075,855,872
2000::/8	2000::	20ff:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 1,329,227,995,784,915,872,903,807,060,280,344,576	72,057,594,037,927,936
2000::/9	2000::	207f:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 664,613,997,892,457,936,451,903,530,140,172,288	36,028,797,018,963,968
2000::/10	2000::	203f:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 332,306,998,946,228,968,225,951,765,070,086,144	18,014,398,509,481,984
2000::/11	2000::	201f:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 166,153,499,473,114,484,112,975,882,535,043,072	9,007,199,254,740,992
2000::/12	2000::	200f:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 83,076,749,736,557,242,056,487,941,267,521,536	4,503,599,627,370,496
2000::/13	2000::	2007:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 41,538,374,868,278,621,028,243,970,633,760,768	2,251,799,813,685,248
2000::/14	2000::	2003:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 20,769,187,434,139,310,514,121,985,316,880,384	1,125,899,906,842,624
2000::/15	2000::	2001:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 10,384,593,717,069,655,257,060,992,658,440,192	562,949,953,421,312
2001::/16	2001::	2001:ffff:ffff:ffff:ffff:ffff:ffff:ffff - 5,192,296,858,534,827,628,530,496,329,220,096	281,474,976,710,656
2001::/17	2001::	2001:7fff:ffff:ffff:ffff:ffff:ffff:ffff - 2,596,148,429,267,413,814,265,248,164,610,048	140,737,488,355,328
2001::/18	2001::	2001:3fff:ffff:ffff:ffff:ffff:ffff:ffff - 1,298,074,214,633,706,907,132,624,082,305,024	70,368,744,177,664
2001::/19	2001::	2001:1fff:ffff:ffff:ffff:ffff:ffff:ffff - 649,037,107,316,853,453,566,312,041,152,512	35,184,372,088,832
2001::/20	2001::	2001:0fff:ffff:ffff:ffff:ffff:ffff:ffff - 324,518,553,658,426,726,783,156,020,576,256	17,592,186,044,416
2001::/21	2001::	2001:07ff:ffff:ffff:ffff:ffff:ffff:ffff - 162,259,276,829,213,363,391,578,010,288,128	8,796,093,022,208
2001::/22	2001::	2001:03ff:ffff:ffff:ffff:ffff:ffff:ffff - 81,129,638,414,606,681,695,789,005,144,064	4,398,046,511,104
2001::/23	2001::	2001:01ff:ffff:ffff:ffff:ffff:ffff:ffff - 40,564,819,207,303,340,847,894,502,572,032	2,199,023,255,552
2001::/24	2001::	2001:00ff:ffff:ffff:ffff:ffff:ffff:ffff - 20,282,409,603,651,670,423,947,251,286,016	1,099,511,627,776
2001::/25	2001::	2001:007f:ffff:ffff:ffff:ffff:ffff:ffff - 10,141,204,801,825,835,211,973,625,643,008	549,755,813,888
2001::/26	2001::	2001:003f:ffff:ffff:ffff:ffff:ffff:ffff - 5,070,602,400,912,917,605,986,812,821,504	274,877,906,944
2001::/27	2001::	2001:001f:ffff:ffff:ffff:ffff:ffff:ffff - 2,535,301,200,456,458,802,993,406,410,752	137,438,953,472
2001::/28	2001::	2001:000f:ffff:ffff:ffff:ffff:ffff:ffff - 1,267,650,600,228,229,401,496,703,205,376	68,719,476,736
2001::/29	2001::	2001:0007:ffff:ffff:ffff:ffff:ffff:ffff - 633,825,300,114,114,700,748,351,602,688	34,359,738,368
2001::/30	2001::	2001:0003:ffff:ffff:ffff:ffff:ffff:ffff - 316,912,650,057,057,350,374,175,801,344	17,179,869,184
2001::/31	2001::	2001:0001:ffff:ffff:ffff:ffff:ffff:ffff - 158,456,325,028,528,675,187,087,900,672	8,589,934,592
2001:db8::/32	2001:db8::	2001:db8:ffff:ffff:ffff:ffff:ffff:ffff - 79,228,162,514,264,337,593,543,950,336	4,294,967,296
2001:db8::/33	2001:db8::	2001:db8:7fff:ffff:ffff:ffff:ffff:ffff - 39,614,081,257,132,168,796,771,975,168	2,147,483,648
2001:db8::/34	2001:db8::	2001:db8:3fff:ffff:ffff:ffff:ffff:ffff - 19,807,040,628,566,084,398,385,987,584	1,073,741,824
2001:db8::/35	2001:db8::	2001:db8:1fff:ffff:ffff:ffff:ffff:ffff - 9,903,520,314,283,042,199,192,993,792	536,870,912
2001:db8::/36	2001:db8::	2001:db8:0fff:ffff:ffff:ffff:ffff:ffff - 4,951,760,157,141,521,099,596,496,896	268,435,456
2001:db8::/37	2001:db8::	2001:db8:07ff:ffff:ffff:ffff:ffff:ffff - 2,475,880,078,570,760,549,798,248,448	134,217,728
2001:db8::/38	2001:db8::	2001:db8:03ff:ffff:ffff:ffff:ffff:ffff - 1,237,940,039,285,380,274,899,124,224	67,108,874
2001:db8::/39	2001:db8::	2001:db8:01ff:ffff:ffff:ffff:ffff:ffff - 618,970,019,642,690,137,449,562,112	35,554,432
2001:db8::/40	2001:db8::	2001:db8:00ff:ffff:ffff:ffff:ffff:ffff - 309,485,009,821,345,068,724,781,056	16,777,216
2001:db8::/41	2001:db8::	2001:db8:007f:ffff:ffff:ffff:ffff:ffff - 154,742,504,910,672,534,362,390,528	8,388,608
2001:db8::/42	2001:db8::	2001:db8:003f:ffff:ffff:ffff:ffff:ffff - 77,371,252,455,336,267,181,195,264	4,194,304
2001:db8::/43	2001:db8::	2001:db8:001f:ffff:ffff:ffff:ffff:ffff - 38,685,626,227,668,133,590,597,632	2,097,152
2001:db8::/44	2001:db8::	2001:db8:000f:ffff:ffff:ffff:ffff:ffff - 19,342,813,113,834,066,795,298,816	1,048,576
2001:db8::/45	2001:db8::	2001:db8:0007:ffff:ffff:ffff:ffff:ffff - 9,671,406,556,917,033,397,649,408	524,288
2001:db8::/46	2001:db8::	2001:db8:0003:ffff:ffff:ffff:ffff:ffff - 4,835,703,278,458,516,698,824,704	262,144
2001:db8::/47	2001:db8::	2001:db8:0001:ffff:ffff:ffff:ffff:ffff - 2,417,851,639,229,258,349,412,352	131,072
2001:db8::/48	2001:db8::	2001:db8:0000:ffff:ffff:ffff:ffff:ffff - 1,208,925,819,614,629,174,706,176	65,536
2001:db8::/49	2001:db8::	2001:db8:0000:7fff:ffff:ffff:ffff:ffff - 604,462,909,807,314,587,353,088	32,768
2001:db8::/50	2001:db8::	2001:db8:0000:3fff:ffff:ffff:ffff:ffff - 302,231,454,903,657,293,676,544	16,384
2001:db8::/51	2001:db8::	2001:db8:0000:1fff:ffff:ffff:ffff:ffff - 151,115,727,451,828,646,838,272	8,192
2001:db8::/52	2001:db8::	2001:db8:0000:0fff:ffff:ffff:ffff:ffff - 75,557,863,725,914,323,419,136	4,096
2001:db8::/53	2001:db8::	2001:db8:0000:07ff:ffff:ffff:ffff:ffff - 37,778,931,862,957,161,709,568	2,048
2001:db8::/54	2001:db8::	2001:db8:0000:03ff:ffff:ffff:ffff:ffff - 18,889,465,931,478,580,854,784	1,024
2001:db8::/55	2001:db8::	2001:db8:0000:01ff:ffff:ffff:ffff:ffff - 9,444,732,965,739,290,427,392	512
2001:db8::/56	2001:db8::	2001:db8:0000:00ff:ffff:ffff:ffff:ffff - 4,722,366,482,869,645,213,696	256
2001:db8::/57	2001:db8::	2001:db8:0000:007f:ffff:ffff:ffff:ffff - 2,361,183,241,434,822,606,848	128
2001:db8::/58	2001:db8::	2001:db8:0000:003f:ffff:ffff:ffff:ffff - 1,180,591,620,717,411,303,424	64
2001:db8::/59	2001:db8::	2001:db8:0000:001f:ffff:ffff:ffff:ffff - 590,295,810,358,705,651,712	32
2001:db8::/60	2001:db8::	2001:db8:0000:000f:ffff:ffff:ffff:ffff - 295,147,905,179,352,825,856	16
2001:db8::/61	2001:db8::	2001:db8:0000:0007:ffff:ffff:ffff:ffff - 147,573,952,589,676,412,928	8
2001:db8::/62	2001:db8::	2001:db8:0000:0003:ffff:ffff:ffff:ffff - 73,786,976,294,838,206,464	4
2001:db8::/63	2001:db8::	2001:db8:0000:0001:ffff:ffff:ffff:ffff - 36,893,488,147,419,103,232	2
2001:db8::/64	2001:db8::	2001:db8:0000:0000:ffff:ffff:ffff:ffff - 18,446,744,073,709,551,616	1
2001:db8::/65	2001:db8::	2001:db8:0000:0000:7fff:ffff:ffff:ffff - 9,223,372,036,854,775,808 	-
2001:db8::/66	2001:db8::	2001:db8:0000:0000:3fff:ffff:ffff:ffff - 4,611,686,018,427,387,904	-
2001:db8::/67	2001:db8::	2001:db8:0000:0000:1fff:ffff:ffff:ffff - 2,305,843,009,213,693,952	-
2001:db8::/68	2001:db8::	2001:db8:0000:0000:0fff:ffff:ffff:ffff - 1,152,921,504,606,846,976	-
2001:db8::/69	2001:db8::	2001:db8:0000:0000:07ff:ffff:ffff:ffff - 576,460,752,303,423,488	-
2001:db8::/70	2001:db8::	2001:db8:0000:0000:03ff:ffff:ffff:ffff - 288,230,376,151,711,744	-
2001:db8::/71	2001:db8::	2001:db8:0000:0000:01ff:ffff:ffff:ffff - 144,115,188,075,855,872	-
2001:db8::/72	2001:db8::	2001:db8:0000:0000:00ff:ffff:ffff:ffff - 72,057,594,037,927,936	-
2001:db8::/73	2001:db8::	2001:db8:0000:0000:007f:ffff:ffff:ffff - 36,028,797,018,963,968	-
2001:db8::/74	2001:db8::	2001:db8:0000:0000:003f:ffff:ffff:ffff - 18,014,398,509,481,984	-
2001:db8::/75	2001:db8::	2001:db8:0000:0000:001f:ffff:ffff:ffff - 9,007,199,254,740,992	-
2001:db8::/76	2001:db8::	2001:db8:0000:0000:000f:ffff:ffff:ffff - 4,503,599,627,370,496	-
2001:db8::/77	2001:db8::	2001:db8:0000:0000:0007:ffff:ffff:ffff - 2,251,799,813,685,248	-
2001:db8::/78	2001:db8::	2001:db8:0000:0000:0003:ffff:ffff:ffff - 1,125,899,906,842,624	-
2001:db8::/79	2001:db8::	2001:db8:0000:0000:0001:ffff:ffff:ffff - 562,949,953,421,312	-
2001:db8::/80	2001:db8::	2001:db8:0000:0000:0000:ffff:ffff:ffff - 281,474,976,710,656	-
2001:db8::/81	2001:db8::	2001:db8:0000:0000:0000:7fff:ffff:ffff - 140,737,488,355,328	-
2001:db8::/82	2001:db8::	2001:db8:0000:0000:0000:3fff:ffff:ffff - 70,368,744,177,664	-
2001:db8::/83	2001:db8::	2001:db8:0000:0000:0000:1fff:ffff:ffff - 35,184,372,088,832	-
2001:db8::/84	2001:db8::	2001:db8:0000:0000:0000:0fff:ffff:ffff - 17,592,186,044,416	-
2001:db8::/85	2001:db8::	2001:db8:0000:0000:0000:07ff:ffff:ffff - 8,796,093,022,208	-
2001:db8::/86	2001:db8::	2001:db8:0000:0000:0000:03ff:ffff:ffff - 4,398,046,511,104	-
2001:db8::/87	2001:db8::	2001:db8:0000:0000:0000:01ff:ffff:ffff - 2,199,023,255,552	-
2001:db8::/88	2001:db8::	2001:db8:0000:0000:0000:00ff:ffff:ffff - 1,099,511,627,776	-
2001:db8::/89	2001:db8::	2001:db8:0000:0000:0000:007f:ffff:ffff - 549,755,813,888	-
2001:db8::/90	2001:dbi::	2001:db8:0000:0000:0000:003f:ffff:ffff - 274,877,906,944	-
2001:db8::/91	2001:db8::	2001:db8:0000:0000:0000:001f:ffff:ffff - 137,438,953,472	-
2001:db8::/92	2001:db8::	2001:db8:0000:0000:0000:000f:ffff:ffff - 68,719,476,736	-
2001:db8::/93	2001:db8::	2001:db8:0000:0000:0000:0007:ffff:ffff - 34,359,738,368	-
2001:db8::/94	2001:db8::	2001:db8:0000:0000:0000:0003:ffff:ffff - 17,179,869,184	-
2001:db8::/95	2001:db8::	2001:db8:0000:0000:0000:0001:ffff:ffff - 8,589,934,592	-
2001:db8::/96	2001:db8::	2001:db8:0000:0000:0000:0000:ffff:ffff - 4,294,967,296	-
2001:db8::/97	2001:db8::	2001:db8:0000:0000:0000:0000:7fff:ffff - 2,147,483,648	-
2001:db8::/98	2001:db8::	2001:db8:0000:0000:0000:0000:3fff:ffff - 1,073,741,824	-
2001:db8::/99	2001:db8::	2001:db8:0000:0000:0000:0000:1fff:ffff - 536,870,912	-
2001:db8::/100	2001:db8::	2001:db8:0000:0000:0000:0000:0fff:ffff - 268,435,456	-
2001:db8::/101	2001:db8::	2001:db8:0000:0000:0000:0000:07ff:ffff - 134,217,728	-
2001:db8::/102	2001:db8::	2001:db8:0000:0000:0000:0000:03ff:ffff - 67,108,864	-
2001:db8::/103	2001:db8::	2001:db8:0000:0000:0000:0000:01ff:ffff - 33,554,432	-
2001:db8::/104	2001:db8::	2001:db8:0000:0000:0000:0000:00ff:ffff - 16,777,216	-
2001:db8::/105	2001:db8::	2001:db8:0000:0000:0000:0000:007f:ffff - 8,388,608	-
2001:db8::/106	2001:db8::	2001:db8:0000:0000:0000:0000:003f:ffff - 4,194,304	-
2001:db8::/107	2001:db8::	2001:db8:0000:0000:0000:0000:001f:ffff - 2,097,152	-
2001:db8::/108	2001:db8::	2001:db8:0000:0000:0000:0000:000f:ffff - 1,048,576	-
2001:db8::/109	2001:db8::	2001:db8:0000:0000:0000:0000:0007:ffff - 524,288	-
2001:db8::/110	2001:db8::	2001:db8:0000:0000:0000:0000:0003:ffff - 262,144	-
2001:db8::/111	2001:db8::	2001:db8:0000:0000:0000:0000:0001:ffff - 131,072	-
2001:db8::/112	2001:db8::	2001:db8:0000:0000:0000:0000:0000:ffff - 65,536	-
2001:db8::/113	2001:db8::	2001:db8:0000:0000:0000:0000:0000:7fff - 32,768	-
2001:db8::/114	2001:db8::	2001:db8:0000:0000:0000:0000:0000:3fff - 16,384	-
2001:db8::/115	2001:db8::	2001:db8:0000:0000:0000:0000:0000:1fff - 8,192	-
2001:db8::/116	2001:db8::	2001:db8:0000:0000:0000:0000:0000:0fff - 4,096	-
2001:db8::/117	2001:db8::	2001:db8:0000:0000:0000:0000:0000:07ff - 2,048	-
2001:db8::/118	2001:db8::	2001:db8:0000:0000:0000:0000:0000:03ff - 1,024	-
2001:db8::/119	2001:db8::	2001:db8:0000:0000:0000:0000:0000:01ff - 512	-
2001:db8::/120	2001:db8::	2001:db8:0000:0000:0000:0000:0000:00ff - 256	-
2001:db8::/121	2001:db8::	2001:db8:0000:0000:0000:0000:0000:007f - 128	-
2001:db8::/122	2001:db8::	2001:db8:0000:0000:0000:0000:0000:003f - 64	-
2001:db8::/123	2001:db8::	2001:db8:0000:0000:0000:0000:0000:001f - 32	-
2001:db8::/124	2001:db8::	2001:db8:0000:0000:0000:0000:0000:000f - 16	-
2001:db8::/125	2001:db8::	2001:db8:0000:0000:0000:0000:0000:0007 - 8	-
2001:db8::/126	2001:db8::	2001:db8:0000:0000:0000:0000:0000:0003 - 4	-
2001:db8::/127	2001:db8::	2001:db8:0000:0000:0000:0000:0000:0001 - 2	-
2001:db8::/128	2001:db8::	2001:db8:: - 1	-