ipv4和ipv6知识普及|你真的了解站群多IP吗

2020年8月6日00:31:10 发表评论 88 views

你听说过站群服务器,多IP服务器,seo服务器,但是你知道/24 ip,/26 ip,/22IP可用IP是多少吗?1c ip、4c ip、8c ip、16c ipv4 他们的可用IP是多少呢?本篇文章为你普及 ipv4和ipv6知识普及和站群多IP的可用IP到底怎么算。

站群多IP可用IP知识

1c ip、4c ip、8c ip、16c ipv4 他们的可用IP是多少?

1c ip、4c ip、8c ip、16c ipv4 他们的可用IP是多少?请看下方说明

  • /30 4个总ip 1个可用
  • /29 8个总ip 5个可用
  • /28 16个总ip 13个可用 16c ip是 8个/28IP,所以可用IP是 208个
  • /27 32个总ip 29个可用 8c ip是 8个/27IP,所以可用IP是232个
  • /26 64个总ip 61个可用 4C IP 是 4个/26,所以可用IP是244
  • 1c ip 可用IP是 /24 256个总ip 253个可用

如果大家不明白可用通过https://ip.serverceping.com/自主查询可用IP

下面详细为大家见绍 ipv4 和 ipv6

IPv4 CIDR是什么

无类别域间路由(CIDR)
CIDR是开发用于帮助减缓IP地址和路由表增大问题的一项技术。CIDR(Classless Inter-Domain Routing,无类域间路由)的基本思想是取消IP地址的分类结构,将多个地址块聚合在一起生成一个更大的网络,以包含更多的主机。CIDR支持路由聚合,能够将路由表中的许多路由条目合并为成更少的数目,因此可以限制路由器中路由表的增大,减少路由通告。同时,CIDR有助于IPv4地址的充分利用。CIDR叫做无类域间路由,ISP常用这样的方法给客户分配地址,ISP提供给客户1个块(block size),类似这样:192.168.10.32/28,这排数字告诉你你的子网掩码是多少,/28代表多少位为1,最大/32.但是你必须知道的1点是:不管是A类还是B类还是其他类地址,最大可用的只能为30/,即保留2位给主机位。

然后给大家见绍一下国外说的A段 B段 C段IP到底是什么以及CIDR网络

传统的IP网络分为A、B、C三类。计算机通过前3位(A=000,B=100,C=110)来识别类,而人类则通过第一个八位(8位)数字来识别类。由于IP地址的稀缺性,基于类的系统已经被无类域间路由(CIDR)取代,以更有效地分配IP地址。

IP段ipv4段数表示方法IP数量子网掩码
/0 杠04,294,967,2960.0.0.0
/1 杠12,147,483,648128.0.0.0
/21,073,741,824192.0.0.0
/3536,870,912224.0.0.0
/4240,435,456240.0.0.0
/5134,217,728248.0.0.0
/667,108,864252.0.0.0
/733,554,432254.0.0.0
A/8 /8 ip 以上都是A段IP16,777,216255.0.0.0
/98,388,608255.128.0.0
/104,194,304255.192.0.0
/112,097,152255.224.0.0
/121,048,576255.240.0.0
/13524,288255.248.0.0
/14262,144255.252.0.0
/15131,072255.254.0.0
B/16 B段IP和C段IP分界先65,536255.255.0.0
/1732,768255.255.128.0
/1816,384255.255.192.0
/198,192255.255.224.0
/204,096255.255.240.0
/212,048255.255.248.0
/221,024255.255.252.0
/23512255.255.254.0
C/24 杠/24 ip 256255.255.255.0
/25128255.255.255.128
/2664255.255.255.192
/2732255.255.255.224
/2816255.255.255.240
/298255.255.255.248
/304255.255.255.252
/312255.255.255.254
/321255.255.255.255

总结:任何ipv4 IP都是有4段IP组成:比如10.0.0.0。那什么是多A,多B,多C呢?请看上边图表。

IPV6 CIDR是什么

IPv6 IP段 IPv6地址的长度为128位。因为IPv6地址中的每个数字可以有16个不同的值(从0到15),每个数字代表4位的总值(1个半字节),总共32位。与IPv4一样,CIDR表示法以一个通用的位前缀来描述范围。例如2001:db8::/32表示所述范围的前32位设置为二进制数字0010000000000001000010110101000。与IPv4一样,MediaWiki使用CIDR符号实现IPv6范围块。

CIDR开始范围结束范围总IP个数总 /64 个数
::/0::ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff340,282,366,920,938,463,463,374,607,431,768,211,45618,446,744,073,709,551,616
::/1::7fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff170,141,183,460,469,231,731,687,303,715,884,105,7289,223,372,036,854,775,808
::/2::3fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff85,070,591,730,234,615,865,843,651,857,942,052,8644,611,686,018,427,387,904
2000::/32000::3fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff42,535,295,865,117,307,932,921,825,928,921,026,4322,305,843,009,213,693,452
2000::/42000::2fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff21,267,647,932,558,653,966,460,912,964,485,513,2161,152,921,504,606,846,976
2000::/52000::27ff:ffff:ffff:ffff:ffff:ffff:ffff:ffff10,633,823,966,279,326,983,230,456,482,242,756,608576,460,752,303,423,488
2000::/62000::23ff:ffff:ffff:ffff:ffff:ffff:ffff:ffff5,316,911,983,139,663,491,615,228,241,121,378,304288,230,376,151,711,744
2000::/72000::21ff:ffff:ffff:ffff:ffff:ffff:ffff:ffff2,658,455,991,569,831,745,807,614,120,560,689,152144,115,188,075,855,872
2000::/82000::20ff:ffff:ffff:ffff:ffff:ffff:ffff:ffff1,329,227,995,784,915,872,903,807,060,280,344,57672,057,594,037,927,936
2000::/92000::207f:ffff:ffff:ffff:ffff:ffff:ffff:ffff664,613,997,892,457,936,451,903,530,140,172,28836,028,797,018,963,968
2000::/102000::203f:ffff:ffff:ffff:ffff:ffff:ffff:ffff332,306,998,946,228,968,225,951,765,070,086,14418,014,398,509,481,984
2000::/112000::201f:ffff:ffff:ffff:ffff:ffff:ffff:ffff166,153,499,473,114,484,112,975,882,535,043,0729,007,199,254,740,992
2000::/122000::200f:ffff:ffff:ffff:ffff:ffff:ffff:ffff83,076,749,736,557,242,056,487,941,267,521,5364,503,599,627,370,496
2000::/132000::2007:ffff:ffff:ffff:ffff:ffff:ffff:ffff41,538,374,868,278,621,028,243,970,633,760,7682,251,799,813,685,248
2000::/142000::2003:ffff:ffff:ffff:ffff:ffff:ffff:ffff20,769,187,434,139,310,514,121,985,316,880,3841,125,899,906,842,624
2000::/152000::2001:ffff:ffff:ffff:ffff:ffff:ffff:ffff10,384,593,717,069,655,257,060,992,658,440,192562,949,953,421,312
2001::/162001::2001:ffff:ffff:ffff:ffff:ffff:ffff:ffff5,192,296,858,534,827,628,530,496,329,220,096281,474,976,710,656
2001::/172001::2001:7fff:ffff:ffff:ffff:ffff:ffff:ffff2,596,148,429,267,413,814,265,248,164,610,048140,737,488,355,328
2001::/182001::2001:3fff:ffff:ffff:ffff:ffff:ffff:ffff1,298,074,214,633,706,907,132,624,082,305,02470,368,744,177,664
2001::/192001::2001:1fff:ffff:ffff:ffff:ffff:ffff:ffff649,037,107,316,853,453,566,312,041,152,51235,184,372,088,832
2001::/202001::2001:0fff:ffff:ffff:ffff:ffff:ffff:ffff324,518,553,658,426,726,783,156,020,576,25617,592,186,044,416
2001:800::/212001:800::2001:0fff:ffff:ffff:ffff:ffff:ffff:ffff162,259,276,829,213,363,391,578,010,288,1288,796,093,022,208
2001:c00::/222001:c00::2001:0fff:ffff:ffff:ffff:ffff:ffff:ffff81,129,638,414,606,681,695,789,005,144,0644,398,046,511,104
2001:c00::/232001:c00::2001:0dff:ffff:ffff:ffff:ffff:ffff:ffff40,564,819,207,303,340,847,894,502,572,0322,199,023,255,552
2001:d00::/242001:d00::2001:0dff:ffff:ffff:ffff:ffff:ffff:ffff20,282,409,603,651,670,423,947,251,286,0161,099,511,627,776
2001:d80::/252001:d80::2001:0dff:ffff:ffff:ffff:ffff:ffff:ffff10,141,204,801,825,835,211,973,625,643,008549,755,813,888
2001:d80::/262001:d80::2001:0dbf:ffff:ffff:ffff:ffff:ffff:ffff5,070,602,400,912,917,605,986,812,821,504274,877,906,944
2001:da0::/272001:da0::2001:0dbf:ffff:ffff:ffff:ffff:ffff:ffff2,535,301,200,456,458,802,993,406,410,752137,438,953,472
2001:db0::/282001:db0::2001:0dbf:ffff:ffff:ffff:ffff:ffff:ffff1,267,650,600,228,229,401,496,703,205,37668,719,476,736
2001:db8::/292001:db8::2001:0dbf:ffff:ffff:ffff:ffff:ffff:ffff633,825,300,114,114,700,748,351,602,68834,359,738,368
2001:db8::/302001:db8::2001:0dbb:ffff:ffff:ffff:ffff:ffff:ffff316,912,650,057,057,350,374,175,801,34417,179,869,184
2001:db8::/312001:db8::2001:0db9:ffff:ffff:ffff:ffff:ffff:ffff158,456,325,028,528,675,187,087,900,6728,589,934,592
2001:db8::/322001:db8::2001:db8:ffff:ffff:ffff:ffff:ffff:ffff79,228,162,514,264,337,593,543,950,3364,294,967,296
2001:db8::/332001:db8::2001:db8:7fff:ffff:ffff:ffff:ffff:ffff39,614,081,257,132,168,796,771,975,1682,147,483,648
2001:db8::/342001:db8::2001:db8:3fff:ffff:ffff:ffff:ffff:ffff19,807,040,628,566,084,398,385,987,5841,073,741,824
2001:db8::/352001:db8::2001:db8:1fff:ffff:ffff:ffff:ffff:ffff9,903,520,314,283,042,199,192,993,792536,870,912
2001:db8::/362001:db8::2001:db8:0fff:ffff:ffff:ffff:ffff:ffff4,951,760,157,141,521,099,596,496,896268,435,456
2001:db8::/372001:db8::2001:db8:07ff:ffff:ffff:ffff:ffff:ffff2,475,880,078,570,760,549,798,248,448134,217,728
2001:db8::/382001:db8::2001:db8:03ff:ffff:ffff:ffff:ffff:ffff1,237,940,039,285,380,274,899,124,22467,108,864
2001:db8::/392001:db8::2001:db8:01ff:ffff:ffff:ffff:ffff:ffff618,970,019,642,690,137,449,562,11233,554,432
2001:db8::/402001:db8::2001:db8:00ff:ffff:ffff:ffff:ffff:ffff309,485,009,821,345,068,724,781,05616,777,216
2001:db8::/412001:db8::2001:db8:007f:ffff:ffff:ffff:ffff:ffff154,742,504,910,672,534,362,390,5288,388,608
2001:db8::/422001:db8::2001:db8:003f:ffff:ffff:ffff:ffff:ffff77,371,252,455,336,267,181,195,2644,194,304
2001:db8::/432001:db8::2001:db8:001f:ffff:ffff:ffff:ffff:ffff38,685,626,227,668,133,590,597,6322,097,152
2001:db8::/442001:db8::2001:db8:000f:ffff:ffff:ffff:ffff:ffff19,342,813,113,834,066,795,298,8161,048,576
2001:db8::/452001:db8::2001:db8:0007:ffff:ffff:ffff:ffff:ffff9,671,406,556,917,033,397,649,408524,288
2001:db8::/462001:db8::2001:db8:0003:ffff:ffff:ffff:ffff:ffff4,835,703,278,458,516,698,824,704262,144
2001:db8::/472001:db8::2001:db8:0001:ffff:ffff:ffff:ffff:ffff2,417,851,639,229,258,349,412,352131,072
2001:db8::/482001:db8::2001:db8:0000:ffff:ffff:ffff:ffff:ffff1,208,925,819,614,629,174,706,17665,536
2001:db8::/492001:db8::2001:db8:0000:7fff:ffff:ffff:ffff:ffff604,462,909,807,314,587,353,08832,768
2001:db8::/502001:db8::2001:db8:0000:3fff:ffff:ffff:ffff:ffff302,231,454,903,657,293,676,54416,384
2001:db8::/512001:db8::2001:db8:0000:1fff:ffff:ffff:ffff:ffff151,115,727,451,828,646,838,2728,192
2001:db8::/522001:db8::2001:db8:0000:0fff:ffff:ffff:ffff:ffff75,557,863,725,914,323,419,1364,096
2001:db8::/532001:db8::2001:db8:0000:07ff:ffff:ffff:ffff:ffff37,778,931,862,957,161,709,5682,048
2001:db8::/542001:db8::2001:db8:0000:03ff:ffff:ffff:ffff:ffff18,889,465,931,478,580,854,7841,024
2001:db8::/552001:db8::2001:db8:0000:01ff:ffff:ffff:ffff:ffff9,444,732,965,739,290,427,392512
2001:db8::/562001:db8::2001:db8:0000:00ff:ffff:ffff:ffff:ffff4,722,366,482,869,645,213,696256
2001:db8::/572001:db8::2001:db8:0000:007f:ffff:ffff:ffff:ffff2,361,183,241,434,822,606,848128
2001:db8::/582001:db8::2001:db8:0000:003f:ffff:ffff:ffff:ffff1,180,591,620,717,411,303,42464
2001:db8::/592001:db8::2001:db8:0000:001f:ffff:ffff:ffff:ffff590,295,810,358,705,651,71232
2001:db8::/602001:db8::2001:db8:0000:000f:ffff:ffff:ffff:ffff295,147,905,179,352,825,85616
2001:db8::/612001:db8::2001:db8:0000:0007:ffff:ffff:ffff:ffff147,573,952,589,676,412,9288
2001:db8::/622001:db8::2001:db8:0000:0003:ffff:ffff:ffff:ffff73,786,976,294,838,206,4644
2001:db8::/632001:db8::2001:db8:0000:0001:ffff:ffff:ffff:ffff36,893,488,147,419,103,2322
2001:db8::/642001:db8::2001:db8:0000:0000:ffff:ffff:ffff:ffff18,446,744,073,709,551,6161
2001:db8::/652001:db8::2001:db8:0000:0000:7fff:ffff:ffff:ffff9,223,372,036,854,775,808
2001:db8::/662001:db8::2001:db8:0000:0000:3fff:ffff:ffff:ffff4,611,686,018,427,387,904
2001:db8::/672001:db8::2001:db8:0000:0000:1fff:ffff:ffff:ffff2,305,843,009,213,693,952
2001:db8::/682001:db8::2001:db8:0000:0000:0fff:ffff:ffff:ffff1,152,921,504,606,846,976
2001:db8::/692001:db8::2001:db8:0000:0000:07ff:ffff:ffff:ffff576,460,752,303,423,488
2001:db8::/702001:db8::2001:db8:0000:0000:03ff:ffff:ffff:ffff288,230,376,151,711,744
2001:db8::/712001:db8::2001:db8:0000:0000:01ff:ffff:ffff:ffff144,115,188,075,855,872
2001:db8::/722001:db8::2001:db8:0000:0000:00ff:ffff:ffff:ffff72,057,594,037,927,936
2001:db8::/732001:db8::2001:db8:0000:0000:007f:ffff:ffff:ffff36,028,797,018,963,968
2001:db8::/742001:db8::2001:db8:0000:0000:003f:ffff:ffff:ffff18,014,398,509,481,984
2001:db8::/752001:db8::2001:db8:0000:0000:001f:ffff:ffff:ffff9,007,199,254,740,992
2001:db8::/762001:db8::2001:db8:0000:0000:000f:ffff:ffff:ffff4,503,599,627,370,496
2001:db8::/772001:db8::2001:db8:0000:0000:0007:ffff:ffff:ffff2,251,799,813,685,248
2001:db8::/782001:db8::2001:db8:0000:0000:0003:ffff:ffff:ffff1,125,899,906,842,624
2001:db8::/792001:db8::2001:db8:0000:0000:0001:ffff:ffff:ffff562,949,953,421,312
2001:db8::/802001:db8::2001:db8:0000:0000:0000:ffff:ffff:ffff281,474,976,710,656
2001:db8::/812001:db8::2001:db8:0000:0000:0000:7fff:ffff:ffff140,737,488,355,328
2001:db8::/822001:db8::2001:db8:0000:0000:0000:3fff:ffff:ffff70,368,744,177,664
2001:db8::/832001:db8::2001:db8:0000:0000:0000:1fff:ffff:ffff35,184,372,088,832
2001:db8::/842001:db8::2001:db8:0000:0000:0000:0fff:ffff:ffff17,592,186,044,416
2001:db8::/852001:db8::2001:db8:0000:0000:0000:07ff:ffff:ffff8,796,093,022,208
2001:db8::/862001:db8::2001:db8:0000:0000:0000:03ff:ffff:ffff4,398,046,511,104
2001:db8::/872001:db8::2001:db8:0000:0000:0000:01ff:ffff:ffff2,199,023,255,552
2001:db8::/882001:db8::2001:db8:0000:0000:0000:00ff:ffff:ffff1,099,511,627,776
2001:db8::/892001:db8::2001:db8:0000:0000:0000:007f:ffff:ffff549,755,813,888
2001:db8::/902001:db8::2001:db8:0000:0000:0000:003f:ffff:ffff274,877,906,944
2001:db8::/912001:db8::2001:db8:0000:0000:0000:001f:ffff:ffff137,438,953,472
2001:db8::/922001:db8::2001:db8:0000:0000:0000:000f:ffff:ffff68,719,476,736
2001:db8::/932001:db8::2001:db8:0000:0000:0000:0007:ffff:ffff34,359,738,368
2001:db8::/942001:db8::2001:db8:0000:0000:0000:0003:ffff:ffff17,179,869,184
2001:db8::/952001:db8::2001:db8:0000:0000:0000:0001:ffff:ffff8,589,934,592
2001:db8::/962001:db8::2001:db8:0000:0000:0000:0000:ffff:ffff4,294,967,296
2001:db8::/972001:db8::2001:db8:0000:0000:0000:0000:7fff:ffff2,147,483,648
2001:db8::/982001:db8::2001:db8:0000:0000:0000:0000:3fff:ffff1,073,741,824
2001:db8::/992001:db8::2001:db8:0000:0000:0000:0000:1fff:ffff536,870,912
2001:db8::/1002001:db8::2001:db8:0000:0000:0000:0000:0fff:ffff268,435,456
2001:db8::/1012001:db8::2001:db8:0000:0000:0000:0000:07ff:ffff134,217,728
2001:db8::/1022001:db8::2001:db8:0000:0000:0000:0000:03ff:ffff67,108,864
2001:db8::/1032001:db8::2001:db8:0000:0000:0000:0000:01ff:ffff33,554,432
2001:db8::/1042001:db8::2001:db8:0000:0000:0000:0000:00ff:ffff16,777,216
2001:db8::/1052001:db8::2001:db8:0000:0000:0000:0000:007f:ffff8,388,608
2001:db8::/1062001:db8::2001:db8:0000:0000:0000:0000:003f:ffff4,194,304
2001:db8::/1072001:db8::2001:db8:0000:0000:0000:0000:001f:ffff2,097,152
2001:db8::/1082001:db8::2001:db8:0000:0000:0000:0000:000f:ffff1,048,576
2001:db8::/1092001:db8::2001:db8:0000:0000:0000:0000:0007:ffff524,288
2001:db8::/1102001:db8::2001:db8:0000:0000:0000:0000:0003:ffff262,144
2001:db8::/1112001:db8::2001:db8:0000:0000:0000:0000:0001:ffff131,072
2001:db8::/1122001:db8::2001:db8:0000:0000:0000:0000:0000:ffff65,536
2001:db8::/1132001:db8::2001:db8:0000:0000:0000:0000:0000:7fff32,768
2001:db8::/1142001:db8::2001:db8:0000:0000:0000:0000:0000:3fff16,384
2001:db8::/1152001:db8::2001:db8:0000:0000:0000:0000:0000:1fff8,192
2001:db8::/1162001:db8::2001:db8:0000:0000:0000:0000:0000:0fff4,096
2001:db8::/1172001:db8::2001:db8:0000:0000:0000:0000:0000:07ff2,048
2001:db8::/1182001:db8::2001:db8:0000:0000:0000:0000:0000:03ff1,024
2001:db8::/1192001:db8::2001:db8:0000:0000:0000:0000:0000:01ff512
2001:db8::/1202001:db8::2001:db8:0000:0000:0000:0000:0000:00ff256
2001:db8::/1212001:db8::2001:db8:0000:0000:0000:0000:0000:007f128
2001:db8::/1222001:db8::2001:db8:0000:0000:0000:0000:0000:003f64
2001:db8::/1232001:db8::2001:db8:0000:0000:0000:0000:0000:001f32
2001:db8::/1242001:db8::2001:db8:0000:0000:0000:0000:0000:000f16
2001:db8::/1252001:db8::2001:db8:0000:0000:0000:0000:0000:00078
2001:db8::/1262001:db8::2001:db8:0000:0000:0000:0000:0000:00034
2001:db8::/1272001:db8::2001:db8:0000:0000:0000:0000:0000:00012
2001:db8::/1282001:db8::2001:db8::1

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