从群组好友那里获取的宝贵数据，非常的有价值，特备忘到自己的Blog上。
| 中国网通 | 中国电信 | ||
| 58.16.0.0/16 | 202.99.208.0/20 | 58.32.0.0/13 | 202.97.32.0/19 |
| 58.17.0.0/17 | 202.99.224.0/21 | 58.40.0.0/15 | 202.97.64.0/19 |
| 58.17.128.0/17 | 202.99.232.0/21 | 58.42.0.0/16 | 202.97.96.0/20 |
| 58.18.0.0/16 | 202.99.240.0/20 | 58.43.0.0/16 | 202.97.112.0/20 |
| 58.19.0.0/16 | 202.102.128.0/21 | 58.44.0.0/14 | 202.98.32.0/21 |
| 58.20.0.0/16 | 202.102.224.0/21 | 58.48.0.0/13 | 202.98.48.0/20 |
| 58.21.0.0/16 | 202.102.232.0/21 | 58.59.128.0/17 | 202.98.64.0/19 |
| 58.22.0.0/15 | 202.106.0.0/16 | 58.60.0.0/14 | 202.98.96.0/21 |
| 58.240.0.0/15 | 202.107.0.0/17 | 58.208.0.0/12 | 202.98.128.0/19 |
| 58.242.0.0/15 | 202.108.0.0/16 | 59.32.0.0/13 | 202.98.160.0/21 |
| 58.244.0.0/15 | 202.110.0.0/17 | 59.40.0.0/15 | 202.98.168.0/21 |
| 58.246.0.0/15 | 202.111.128.0/18 | 59.42.0.0/16 | 202.98.192.0/21 |
| 58.248.0.0/13 | 203.93.8.0/24 | 59.44.0.0/14 | 202.98.200.0/21 |
| 60.0.0.0/13 | 203.93.192.0/18 | 59.48.0.0/16 | 202.98.208.0/20 |
| 60.8.0.0/15 | 210.13.128.0/17 | 59.49.0.0/17 | 202.98.224.0/21 |
| 60.10.0.0/16 | 210.14.160.0/19 | 59.49.128.0/17 | 202.98.232.0/21 |
| 60.11.0.0/16 | 210.14.192.0/19 | 59.50.0.0/16 | 202.98.240.0/20 |
| 60.12.0.0/16 | 210.15.32.0/19 | 59.51.0.0/17 | 202.99.192.0/21 |
| 60.13.0.0/18 | 210.15.96.0/19 | 59.51.128.0/17 | 202.100.96.0/21 |
| 60.13.128.0/17 | 210.15.128.0/18 | 59.52.0.0/14 | 202.100.104.0/21 |
| 60.14.0.0/15 | 210.21.0.0/16 | 59.56.0.0/14 | 202.100.112.0/20 |
| 60.16.0.0/13 | 210.52.128.0/17 | 59.60.0.0/15 | 202.100.136.0/21 |
| 60.24.0.0/14 | 210.53.0.0/17 | 59.62.0.0/15 | 202.100.160.0/21 |
| 60.30.0.0/16 | 210.53.128.0/17 | 60.160.0.0/15 | 202.100.168.0/21 |
| 60.31.0.0/16 | 210.74.96.0/19 | 60.162.0.0/15 | 202.100.176.0/20 |
| 60.208.0.0/13 | 210.74.128.0/19 | 60.164.0.0/15 | 202.100.192.0/21 |
| 60.216.0.0/15 | 210.82.0.0/15 | 60.166.0.0/15 | 202.100.208.0/20 |
| 60.218.0.0/15 | 218.8.0.0/14 | 60.168.0.0/13 | 202.100.224.0/19 |
| 60.220.0.0/14 | 218.12.0.0/16 | 60.176.0.0/12 | 202.101.0.0/18 |
| 61.48.0.0/13 | 218.21.128.0/17 | 61.133.128.0/17 | 202.101.64.0/19 |
| 61.133.0.0/17 | 218.24.0.0/14 | 61.134.0.0/18 | 202.101.96.0/19 |
| 61.134.96.0/19 | 218.56.0.0/14 | 61.134.64.0/19 | 202.101.128.0/18 |
| 61.134.128.0/17 | 218.60.0.0/15 | 61.136.128.0/17 | 202.101.224.0/21 |
| 61.135.0.0/16 | 218.67.128.0/17 | 61.137.0.0/17 | 202.102.0.0/19 |
| 61.137.128.0/17 | 218.68.0.0/15 | 61.138.192.0/18 | 202.102.32.0/19 |
| 61.138.0.0/17 | 218.104.0.0/14 | 61.139.0.0/17 | 202.102.64.0/18 |
| 61.138.128.0/18 | 219.154.0.0/15 | 61.139.192.0/18 | 202.103.0.0/21 |
| 61.139.128.0/18 | 219.156.0.0/15 | 61.140.0.0/14 | 202.103.8.0/21 |
| 61.148.0.0/15 | 219.158.0.0/17 | 61.144.0.0/14 | 202.103.16.0/20 |
| 61.156.0.0/16 | 219.158.128.0/17 | 61.152.0.0/14 | 202.103.32.0/19 |
| 61.159.0.0/18 | 219.159.0.0/18 | 61.157.0.0/16 | 202.103.96.0/21 |
| 61.161.0.0/18 | 220.252.0.0/16 | 61.159.64.0/18 | 202.103.192.0/19 |
| 61.161.128.0/17 | 221.0.0.0/15 | 61.159.128.0/17 | 202.103.224.0/21 |
| 61.162.0.0/16 | 221.2.0.0/16 | 61.160.0.0/16 | 202.104.0.0/15 |
| 61.163.0.0/16 | 221.3.0.0/17 | 61.161.64.0/18 | 202.107.128.0/17 |
| 61.167.0.0/16 | 221.3.128.0/17 | 61.164.0.0/15 | 202.109.0.0/16 |
| 61.168.0.0/16 | 221.4.0.0/16 | 61.166.0.0/16 | 202.110.128.0/18 |
| 61.176.0.0/16 | 221.5.0.0/17 | 61.169.0.0/16 | 202.111.0.0/17 |
| 61.179.0.0/16 | 221.5.128.0/17 | 61.170.0.0/15 | 218.4.0.0/15 |
| 61.181.0.0/16 | 221.6.0.0/16 | 61.172.0.0/14 | 218.6.0.0/16 |
| 61.182.0.0/16 | 221.7.0.0/19 | 61.177.0.0/16 | 218.13.0.0/16 |
| 61.189.0.0/17 | 221.7.32.0/19 | 61.178.0.0/16 | 218.14.0.0/15 |
| 125.32.0.0/16 | 221.7.64.0/19 | 61.180.0.0/17 | 218.16.0.0/14 |
| 125.35.128.0/17 | 221.7.96.0/19 | 61.183.0.0/16 | 218.20.0.0/16 |
| 125.36.0.0/14 | 221.10.0.0/16 | 61.184.0.0/14 | 218.21.0.0/17 |
| 125.40.0.0/13 | 221.11.0.0/17 | 61.188.0.0/16 | 218.22.0.0/15 |
| 202.96.0.0/18 | 221.11.128.0/18 | 61.189.128.0/17 | 218.62.128.0/17 |
| 202.96.64.0/21 | 221.11.192.0/19 | 61.190.0.0/15 | 218.63.0.0/16 |
| 202.96.72.0/21 | 221.12.0.0/17 | 125.64.0.0/13 | 218.64.0.0/15 |
| 202.97.128.0/18 | 221.12.128.0/18 | 125.72.0.0/16 | 218.66.0.0/16 |
| 202.97.224.0/21 | 221.13.0.0/18 | 125.73.0.0/16 | 218.67.0.0/17 |
| 202.97.240.0/20 | 221.13.64.0/19 | 125.74.0.0/15 | 218.70.0.0/15 |
| 202.98.0.0/21 | 221.13.96.0/19 | 125.76.0.0/17 | 218.72.0.0/13 |
| 202.98.8.0/21 | 221.13.128.0/17 | 125.80.0.0/13 | 218.80.0.0/12 |
| 202.99.64.0/19 | 221.14.0.0/15 | 125.88.0.0/13 | 219.128.0.0/12 |
| 202.99.96.0/21 | 221.192.0.0/15 | 125.104.0.0/13 | 219.144.0.0/13 |
| 202.99.128.0/19 | 221.194.0.0/16 | 125.112.0.0/12 | 219.152.0.0/15 |
| 202.99.160.0/21 | 221.195.0.0/16 | 202.96.96.0/21 | 219.159.64.0/18 |
| 202.99.168.0/21 | 221.196.0.0/15 | 202.96.104.0/21 | 219.159.128.0/17 |
| 202.99.176.0/20 | 221.198.0.0/16 | 202.96.112.0/20 | 220.160.0.0/11 |
| 221.208.0.0/14 | 221.199.0.0/19 | 202.96.128.0/21 | 221.224.0.0/13 |
| 221.212.0.0/16 | 221.199.32.0/20 | 202.96.136.0/21 | 221.232.0.0/14 |
| 221.213.0.0/16 | 221.199.128.0/18 | 202.96.144.0/20 | 221.236.0.0/15 |
| 221.216.0.0/13 | 221.199.192.0/20 | 202.96.160.0/21 | 221.239.128.0/17 |
| 222.128.0.0/14 | 221.200.0.0/14 | 202.96.168.0/21 | 222.72.0.0/15 |
| 222.132.0.0/14 | 221.204.0.0/15 | 202.96.176.0/20 | 222.75.0.0/16 |
| 222.136.0.0/13 | 221.206.0.0/16 | 202.96.200.0/21 | 222.76.0.0/14 |
| 222.160.0.0/15 | 221.207.0.0/18 | 202.96.208.0/20 | 222.80.0.0/15 |
| 222.162.0.0/16 | 221.207.64.0/18 | 202.96.224.0/21 | 222.82.0.0/16 |
| 222.163.0.0/19 | 221.207.128.0/17 | 202.97.0.0/21 | 222.83.0.0/17 |
| 222.163.32.0/19 | 222.163.64.0/18 | 202.97.8.0/21 | 222.83.128.0/17 |
| 222.163.128.0/17 | 202.97.16.0/20 | 222.84.0.0/16 | |
| 222.219.0.0/16 | 222.85.128.0/17 | ||
| 222.220.0.0/15 | 222.86.0.0/15 | ||
| 222.240.0.0/13 | 222.90.0.0/15 | ||
| 58.56.0.0/15 | 222.92.0.0/14 | ||
| 58.58.0.0/16 | 222.172.128.0/17 | ||
| 58.59.0.0/17 | 222.176.0.0/13 | ||
| 221.238.0.0/16 | 222.184.0.0/13 | ||
| 221.239.0.0/17 | 222.208.0.0/13 | ||
| 222.74.0.0/16 | 222.216.0.0/15 | ||
| 222.85.0.0/17 | 222.218.0.0/16 | ||
| 222.88.0.0/15 | 222.172.0.0/17 | ||
| 222.168.0.0/15 | 222.173.0.0/16 | ||
| 222.174.0.0/15 | |||
| 222.222.0.0/15 | |||
子网计算器1：up/1141202251.exe
子网计算器2：up/1141202592.exe
子网计算器3：up/1141202608.exe
58.16.0.0/16 这个后面的16是什么意思？
这是一个无分类网络地址,16表示的是这个IP地址的网络地址是16位,因为IPV4地址由32位构成例如:10010000.01100101.10101010.01110001
16就是下划线部分的位数
58.16.0.0/16 这个后面的16是什么意思？