网络前缀表

所有/0到/32前缀及其主机数量和掩码的表格。

Prefix	Subnet Mask	Total IPs	Usable Hosts
/0	0.0.0.0	4,294,967,296	4,294,967,294
/1	128.0.0.0	2,147,483,648	2,147,483,646
/2	192.0.0.0	1,073,741,824	1,073,741,822
/3	224.0.0.0	536,870,912	536,870,910
/4	240.0.0.0	268,435,456	268,435,454
/5	248.0.0.0	134,217,728	134,217,726
/6	252.0.0.0	67,108,864	67,108,862
/7	254.0.0.0	33,554,432	33,554,430
/8	255.0.0.0	16,777,216	16,777,214
/9	255.128.0.0	8,388,608	8,388,606
/10	255.192.0.0	4,194,304	4,194,302
/11	255.224.0.0	2,097,152	2,097,150
/12	255.240.0.0	1,048,576	1,048,574
/13	255.248.0.0	524,288	524,286
/14	255.252.0.0	262,144	262,142
/15	255.254.0.0	131,072	131,070
/16	255.255.0.0	65,536	65,534
/17	255.255.128.0	32,768	32,766
/18	255.255.192.0	16,384	16,382
/19	255.255.224.0	8,192	8,190
/20	255.255.240.0	4,096	4,094
/21	255.255.248.0	2,048	2,046
/22	255.255.252.0	1,024	1,022
/23	255.255.254.0	512	510
/24	255.255.255.0	256	254
/25	255.255.255.128	128	126
/26	255.255.255.192	64	62
/27	255.255.255.224	32	30
/28	255.255.255.240	16	14
/29	255.255.255.248	8	6
/30	255.255.255.252	4	2
/31	255.255.255.254	2	2
/32	255.255.255.255	1	1

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关于此工具

所有/0到/32前缀及其主机数量和掩码的表格。