ScanMon的旗下的网站因为服务器设在美国加州，国内的用户访问速度很慢，网络迟延在200ms 左右已经到了最理想的状态（美国到中国的跨海光缆距离过长）。

一般电信/网通用户访问美国站点网络数 据传输所走的路线先是本地ISP网络，然后是城域网，接着是各省市网络节点，然后是骨干网，最后从上海等出口出去，跨越一万多公里的浩瀚太平洋后，在美国 加州/俄勒冈州登陆。网络延时（latency）在200ms以上。很多人误认为GFW的网络过滤会影响网速，但事实上这种影响可以忽略不计的，网络延时 在200ms以上主要还是在于传输距离太长，日本/澳大利亚网民的对美网络延时和大陆用户差不多的，而欧洲用户跨越大西洋一般在100ms以上。如果是你 是移动用户的话，带宽资源想对于两大巨头要少的可怜，移动用户一般是先南下到香港连接NTT的节点，然后绕道日本达到美国，网络延时达到了惊人的七八百毫 秒。

在朋友的帮助在测试北京、上海、广州等地访问网站的速度还可以接受的，但是有些用户反映速度还是很慢的。由于存在这个问题，因此丢失了不少客户.

考虑到这些问题，我决定在国内布设2个节点，通过cdn的方法解决这个问题。要做cdn需要一份详细的ip地址分配表，便于分出(电信/网通);(国内/国外),加快网站的访问速度,使用户具有更好的访问效果.在朋友的帮助下,整理了一份中国电信运营商(ISP)IP地址分配表.
目前中国国内ISP主要有电信、网通(现已与网通合 并)、移动(已合并铁通)三家，最大的为电信与联通(网通)。由于南方和北方的ISP不同，ISP之间的限制导致南北方用户访各的网站时速度奇慢。要解决 这个问题，目前普遍的做法是获得运营商IP地址段，通过设置双线(多线)DNS访问实现“电信走电信，网通走网通”以解决问题。

ScanMon of its Web site because the server is located in California, the china users to access very slow, the network delay in the 200ms or so has come to the ideal state (the United States to China, long distance cross-sea fiber optic cable).

General Telecom / Netcom users to access the U.S. site, the network data transmission, following the route first, the local ISP network, then the metro, followed by provincial and municipal network node, and then the backbone network, the final exit from Shanghai and other out across more than 10,000 kilometers the vast Pacific Ocean, in the United States, California / Oregon landing. Network delay (latency) in more than 200ms. Many people mistakenly believe that GFW’s network filter will affect the speed, but in fact this effect is negligible, the network for more than 200ms delay is mainly because the transmission distance is too long, the Japanese / Australian Internet users against the United States and mainland China network delay the user about the same, while European customers in general across the Atlantic Ocean for more than 100ms. If you are a mobile user, then the two giants for bandwidth resources to be pitiful, mobile users are generally the first south to Hong Kong to connect NTT nodes, and then detour to reach the United States, Japan, Network latency reached a staggering Qi Babai cents seconds.

The help of friends in the test in Beijing, Shanghai and Guangzhou, the speed of access to the site can also be acceptable, but some users have reported speed is still very slow. Because of this issue and therefore lost a lot of customers.

Taking into account these problems, I decided in the domestic planted two nodes, by cdn ways to solve this problem. Cdn need to do a detailed ip address allocation table, to facilitate separation of (Telecom / Netcom); (domestic / foreign), to speed up web site access speeds, allowing users to have better access to results. At a friend’s help, organize A Chinese telecommunications operator (ISP) IP address allocation table.

At present, China mainly domestic ISP Telecom, China Netcom (now merged with China Netcom), mobile (have been consolidated CRC) 3, the largest telecommunications and China Unicom (China Netcom). The north and south of the ISP due to the different, ISP restrictions between the North and the South led to a user’s visit to the site that excruciatingly slow. To solve this problem, the current common practice is to obtain IP addresses operator, by setting the two-wire (multi-line) DNS access to achieving a “Telecommunication walk Telecom, Netcom, Netcom to go” to solve the problem.

;##################################################################
;# ISP 中国电信 所有IP地址段表
;# 数据来自于: http://www.scanmon.com 鹏鹏工作室
;# 如有错漏或任何建议,请联系jacky@scanmon.com
;# http://jk.scanmon.com/1811.htm
;# 我们的目标:提供最全面的IP相关信息
;##################################################################

acl “chinanet” {
58.32.0.0/13;
58.40.0.0/15;
58.42.0.0/16;
58.43.0.0/16;
58.44.0.0/14;
58.48.0.0/13;
58.56.0.0/15;
58.58.0.0/16;
58.59.0.0/17;
58.59.128.0/17;
58.208.0.0/12;
59.32.0.0/13;
59.40.0.0/15;
59.42.0.0/16;
59.44.0.0/14;
59.51.0.0/17;
59.51.128.0/17;
59.52.0.0/14;
59.56.0.0/14;
59.60.0.0/15;
59.62.0.0/15;
59.172.0.0/15;
59.174.0.0/15;
60.160.0.0/15;
60.162.0.0/15;
60.164.0.0/15;
60.166.0.0/15;
60.168.0.0/13;
60.176.0.0/12;
60.235.0.0/16;
61.133.128.0/17;
61.134.0.0/18;
61.134.64.0/19;
61.136.128.0/17;
61.137.0.0/17;
61.138.192.0/18;
61.139.0.0/17;
61.139.192.0/18;
61.140.0.0/14;
61.144.0.0/14;
61.152.0.0/16;
61.154.0.0/15;
61.157.0.0/16;
61.159.64.0/18;
61.159.128.0/17;
61.160.0.0/16;
61.161.64.0/18;
61.164.0.0/16;
61.165.0.0/16;
61.166.0.0/16;
61.169.0.0/16;
61.170.0.0/15;
61.172.0.0/14;
61.177.0.0/16;
61.178.0.0/16;
61.180.0.0/17;
61.183.0.0/16;
61.184.0.0/14;
61.188.0.0/16;
61.189.128.0/17;
61.190.0.0/15;
112.66.0.0/15;
112.98.0.0/15;
112.100.0.0/14;
112.112.0.0/14;
112.116.0.0/15;
113.12.0.0/14;
113.16.0.0/15;
113.24.0.0/14;
113.64.0.0/11;
113.96.0.0/12;
113.112.0.0/13;
113.120.0.0/13;
113.128.0.0/15;
113.132.0.0/14;
113.136.0.0/13;
113.218.0.0/15;
113.220.0.0/14;
113.240.0.0/13;
113.248.0.0/14;
114.80.0.0/12;
114.96.0.0/13;
114.104.0.0/14;
114.135.0.0/16;
114.138.0.0/15;
114.216.0.0/13;
114.224.0.0/12;
115.148.0.0/14;
115.152.0.0/15;
115.168.0.0/14;
115.192.0.0/11;
115.224.0.0/12;
116.1.0.0/16;
116.4.0.0/14;
116.8.0.0/14;
116.16.0.0/12;
116.52.0.0/14;
116.192.0.0/16;
116.207.0.0/16;
116.208.0.0/14;
116.224.0.0/12;
116.246.0.0/15;
116.248.0.0/15;
116.252.0.0/15;
117.21.0.0/16;
117.22.0.0/15;
117.24.0.0/13;
117.32.0.0/13;
117.40.0.0/14;
117.44.0.0/15;
117.57.0.0/16;
117.60.0.0/14;
117.64.0.0/13;
117.80.0.0/12;
118.84.0.0/15;
118.112.0.0/13;
118.120.0.0/14;
118.124.0.0/15;
118.180.0.0/14;
118.213.0.0/16;
118.239.0.0/16;
118.248.0.0/13;
119.0.0.0/15;
119.41.0.0/16;
119.60.0.0/16;
119.84.0.0/14;
119.96.0.0/13;
119.120.0.0/13;
119.128.0.0/12;
119.144.0.0/14;
120.32.0.0/13;
120.40.0.0/14;
120.68.0.0/14;
121.8.0.0/13;
121.32.0.0/14;
121.56.0.0/15;
121.60.0.0/14;
121.224.0.0/12;
122.4.0.0/14;
122.102.80.0/20;
122.240.0.0/13;
123.96.0.0/15;
123.149.0.0/16;
123.160.0.0/14;
123.164.0.0/14;
123.168.0.0/14;
123.172.0.0/15;
123.177.0.0/16;
123.178.0.0/15;
123.180.0.0/14;
123.184.0.0/14;
123.244.0.0/14;
124.31.0.0/16;
124.72.0.0/16;
124.73.0.0/16;
124.74.0.0/15;
124.76.0.0/14;
124.112.0.0/15;
124.114.0.0/15;
124.116.0.0/16;
124.117.0.0/16;
124.118.0.0/15;
124.224.0.0/16;
124.226.0.0/15;
124.228.0.0/14;
124.232.0.0/15;
124.234.0.0/15;
124.236.0.0/14;
125.64.0.0/13;
125.72.0.0/16;
125.73.0.0/16;
125.74.0.0/15;
125.76.0.0/17;
125.76.128.0/17;
125.77.0.0/16;
125.78.0.0/15;
125.80.0.0/13;
125.88.0.0/13;
125.104.0.0/13;
125.112.0.0/12;
202.96.96.0/21;
202.96.104.0/21;
202.96.112.0/20;
202.96.128.0/21;
202.96.144.0/20;
202.96.160.0/21;
202.96.168.0/21;
202.96.176.0/20;
202.96.200.0/21;
202.96.208.0/20;
202.96.224.0/21;
202.97.0.0/21;
202.97.8.0/21;
202.97.16.0/20;
202.97.32.0/19;
202.97.64.0/19;
202.97.96.0/20;
202.97.112.0/20;
202.98.32.0/21;
202.98.48.0/20;
202.98.64.0/19;
202.98.96.0/21;
202.98.128.0/19;
202.98.160.0/21;
202.98.168.0/21;
202.98.192.0/21;
202.98.200.0/21;
202.98.208.0/20;
202.98.224.0/21;
202.98.232.0/21;
202.98.240.0/20;
202.99.192.0/21;
202.100.96.0/21;
202.100.104.0/21;
202.100.112.0/20;
202.100.136.0/21;
202.100.160.0/21;
202.100.168.0/21;
202.100.176.0/20;
202.100.192.0/21;
202.100.208.0/20;
202.100.224.0/19;
202.101.0.0/18;
202.101.64.0/19;
202.101.96.0/19;
202.101.128.0/18;
202.101.224.0/21;
202.102.0.0/19;
202.102.32.0/19;
202.102.64.0/18;
202.103.0.0/21;
202.103.8.0/21;
202.103.16.0/20;
202.103.32.0/19;
202.103.96.0/21;
202.103.192.0/19;
202.103.224.0/21;
202.104.0.0/15;
202.107.128.0/17;
202.109.0.0/16;
202.110.128.0/18;
202.111.0.0/17;
218.1.0.0/16;
218.2.0.0/15;
218.4.0.0/15;
218.6.0.0/16;
218.13.0.0/16;
218.14.0.0/15;
218.16.0.0/14;
218.20.0.0/16;
218.21.0.0/17;
218.22.0.0/15;
218.62.128.0/17;
218.63.0.0/16;
218.64.0.0/15;
218.66.0.0/16;
218.67.0.0/17;
218.70.0.0/15;
218.72.0.0/14;
218.76.0.0/15;
218.78.0.0/15;
218.80.0.0/14;
218.84.0.0/14;
218.88.0.0/13;
219.128.0.0/12;
219.144.0.0/14;
219.148.0.0/16;
219.149.0.0/17;
219.149.128.0/18;
219.149.192.0/18;
219.150.0.0/19;
219.150.32.0/19;
219.150.64.0/19;
219.150.112.0/20;
219.150.128.0/17;
219.151.0.0/19;
219.151.32.0/19;
219.151.64.0/18;
219.151.128.0/17;
219.152.0.0/15;
219.159.64.0/18;
219.159.128.0/17;
220.160.0.0/11;
221.224.0.0/13;
221.232.0.0/14;
221.236.0.0/15;
221.238.0.0/16;
221.239.0.0/17;
221.239.128.0/17;
222.72.0.0/15;
222.74.0.0/16;
222.75.0.0/16;
222.76.0.0/14;
222.80.0.0/15;
222.82.0.0/16;
222.83.0.0/17;
222.83.128.0/17;
222.84.0.0/16;
222.85.0.0/17;
222.85.128.0/17;
222.86.0.0/15;
222.88.0.0/15;
222.90.0.0/15;
222.92.0.0/14;
222.168.0.0/15;
222.170.0.0/15;
222.172.0.0/17;
222.172.128.0/17;
222.173.0.0/16;
222.174.0.0/15;
222.176.0.0/13;
222.184.0.0/13;
222.208.0.0/13;
222.216.0.0/15;
222.218.0.0/16;
222.219.0.0/16;
222.220.0.0/15;
222.222.0.0/15;
222.240.0.0/13;
};
;##################################################################
;# ISP CNC 中国网络通讯有限公司（China Network Communications corporation ） 所有IP地址段表
;# 数据来自于: http://www.scanmon.com 鹏鹏工作室
;# 如有错漏或任何建议,请联系jacky@scanmon.com
;# http://jk.scanmon.com/1811.htm
;# 我们的目标:提供最全面的IP相关信息
;##################################################################

acl “cnc” {
58.16.0.0/16;
58.17.0.0/17;
58.17.128.0/17;
58.18.0.0/16;
58.19.0.0/16;
58.21.0.0/16;
58.22.0.0/15;
58.144.0.0/16;
58.240.0.0/15;
58.244.0.0/15;
58.246.0.0/15;
60.0.0.0/13;
60.8.0.0/15;
60.13.0.0/18;
60.13.64.0/18;
60.13.128.0/17;
60.14.0.0/15;
60.16.0.0/13;
60.24.0.0/14;
60.31.0.0/16;
60.218.0.0/15;
60.220.0.0/14;
61.48.0.0/14;
61.52.0.0/15;
61.54.0.0/16;
61.55.0.0/16;
61.133.0.0/17;
61.134.128.0/18;
61.134.192.0/18;
61.135.0.0/16;
61.136.64.0/18;
61.137.128.0/17;
61.138.0.0/18;
61.138.64.0/18;
61.138.128.0/18;
61.139.128.0/18;
61.148.0.0/15;
61.156.0.0/16;
61.158.128.0/17;
61.159.0.0/18;
61.161.0.0/18;
61.161.128.0/17;
61.162.0.0/16;
61.163.0.0/16;
61.167.0.0/16;
61.168.0.0/16;
61.176.0.0/16;
61.179.0.0/16;
61.181.0.0/16;
61.182.0.0/16;
61.189.0.0/17;
110.6.0.0/15;
110.16.0.0/14;
112.64.0.0/15;
112.80.0.0/13;
112.88.0.0/13;
112.96.0.0/15;
112.109.128.0/17;
112.111.0.0/16;
112.122.0.0/15;
112.132.0.0/16;
112.192.0.0/14;
112.224.0.0/11;
113.0.0.0/13;
113.8.0.0/15;
113.56.0.0/15;
113.58.0.0/16;
113.59.0.0/17;
113.194.0.0/15;
113.200.0.0/15;
113.204.0.0/14;
113.224.0.0/12;
114.240.0.0/12;
115.46.0.0/16;
115.48.0.0/12;
115.85.192.0/18;
116.2.0.0/15;
116.95.0.0/16;
116.116.0.0/15;
117.8.0.0/13;
118.72.0.0/13;
118.80.0.0/15;
118.212.0.0/16;
119.4.0.0/14;
119.36.0.0/16;
119.48.0.0/13;
119.62.0.0/16;
119.108.0.0/15;
119.112.0.0/13;
119.162.0.0/15;
119.164.0.0/14;
119.176.0.0/12;
119.248.0.0/14;
120.0.0.0/12;
120.80.0.0/13;
121.16.0.0/13;
121.24.0.0/14;
121.31.0.0/16;
122.96.0.0/15;
122.136.0.0/13;
122.156.0.0/14;
122.192.0.0/14;
123.4.0.0/14;
123.8.0.0/13;
123.112.0.0/12;
123.128.0.0/13;
123.144.0.0/14;
123.148.0.0/16;
123.152.0.0/13;
123.188.0.0/14;
124.64.0.0/15;
124.66.0.0/17;
124.67.0.0/16;
124.88.0.0/16;
124.89.0.0/17;
124.89.128.0/17;
124.90.0.0/15;
124.92.0.0/14;
124.160.0.0/16;
124.161.0.0/16;
124.162.0.0/16;
124.163.0.0/16;
124.164.0.0/14;
125.32.0.0/16;
125.33.0.0/16;
125.34.0.0/16;
125.35.128.0/17;
125.36.0.0/14;
125.40.0.0/13;
125.211.0.0/16;
202.38.143.0/24;
202.96.0.0/18;
202.96.64.0/21;
202.96.72.0/21;
202.97.128.0/18;
202.97.224.0/21;
202.97.240.0/20;
202.98.0.0/21;
202.98.8.0/21;
202.99.64.0/19;
202.99.96.0/21;
202.99.128.0/19;
202.99.160.0/21;
202.99.168.0/21;
202.99.176.0/20;
202.99.208.0/20;
202.99.232.0/21;
202.99.240.0/20;
202.102.128.0/21;
202.102.224.0/21;
202.102.232.0/21;
202.102.240.0/20;
202.106.0.0/16;
202.107.0.0/17;
202.108.0.0/16;
202.110.0.0/18;
202.110.64.0/18;
202.111.128.0/19;
203.93.8.0/24;
203.93.64.0/18;
203.93.192.0/18;
210.13.0.0/18;
210.13.64.0/18;
210.13.128.0/17;
210.14.160.0/19;
210.14.192.0/19;
210.15.32.0/19;
210.15.96.0/19;
210.15.128.0/18;
210.21.0.0/17;
210.51.0.0/16;
210.52.128.0/17;
210.53.0.0/17;
210.53.128.0/17;
210.82.0.0/15;
218.8.0.0/15;
218.10.0.0/16;
218.11.0.0/16;
218.12.0.0/16;
218.21.128.0/17;
218.24.0.0/15;
218.27.0.0/16;
218.56.0.0/14;
218.60.0.0/15;
218.67.128.0/17;
218.104.0.0/17;
218.104.128.0/19;
218.104.160.0/19;
218.104.192.0/21;
218.104.200.0/21;
218.104.208.0/20;
218.104.224.0/19;
218.105.0.0/16;
218.106.0.0/15;
219.154.0.0/15;
219.156.0.0/15;
219.158.0.0/17;
219.158.128.0/17;
219.159.0.0/18;
220.248.0.0/14;
220.252.0.0/16;
221.0.0.0/15;
221.2.0.0/16;
221.3.0.0/17;
221.3.128.0/17;
221.4.0.0/16;
221.5.0.0/17;
221.5.128.0/17;
221.6.0.0/16;
221.7.0.0/19;
221.7.32.0/19;
221.7.64.0/19;
221.7.96.0/19;
221.7.128.0/17;
221.10.0.0/16;
221.11.128.0/18;
221.11.224.0/19;
221.12.0.0/17;
221.12.128.0/18;
221.13.0.0/18;
221.13.64.0/19;
221.13.128.0/17;
221.14.0.0/15;
221.192.0.0/15;
221.194.0.0/16;
221.195.0.0/16;
221.196.0.0/15;
221.198.0.0/16;
221.199.0.0/19;
221.199.64.0/18;
221.199.128.0/18;
221.199.192.0/20;
221.199.224.0/19;
221.200.0.0/14;
221.204.0.0/15;
221.206.0.0/16;
221.207.0.0/18;
221.207.64.0/18;
221.207.128.0/17;
221.208.0.0/14;
221.212.0.0/16;
221.213.0.0/16;
221.216.0.0/13;
222.128.0.0/14;
222.132.0.0/14;
222.136.0.0/13;
222.160.0.0/15;
222.162.0.0/16;
222.163.0.0/19;
222.163.32.0/19;
222.163.64.0/18;
};
;##################################################################
;# ISP .中国移动  China Mobile  所有IP地址段表
;# 数据来自于: http://www.scanmon.com 鹏鹏工作室
;# 如有错漏或任何建议,请联系jacky@scanmon.com
;# http://jk.scanmon.com/1811.htm
;# 我们的目标:提供最全面的IP相关信息
;##################################################################

acl “chinamobile” {
112.0.0.0/10;
117.128.0.0/10;
120.192.0.0/10;
121.36.0.0/16;
202.0.176.0/22;
211.103.0.0/17;
211.136.0.0/14;
211.140.0.0/15;
211.142.0.0/17;
211.142.128.0/17;
211.143.0.0/16;
218.200.0.0/14;
218.204.0.0/15;
218.206.0.0/15;
221.130.0.0/15;
221.176.0.0/13;
};
;##################################################################
;# ISP 中国教育网  China Education Network 所有IP地址段表
;# 数据来自于: http://www.scanmon.com 鹏鹏工作室
;# 如有错漏或任何建议,请联系jacky@scanmon.com
;# http://jk.scanmon.com/1811.htm
;# 我们的目标:提供最全面的IP相关信息
;##################################################################

acl “cernet” {
166.111.8.28/32;
166.111.8.29/32;
166.111.8.30/32;
202.114.0.242/32;
202.112.0.35/32;
202.112.20.131/32;
202.117.0.20/32;
202.117.0.21/32;
202.112.26.34/32;
202.203.128.33/32;
202.115.64.33/32;
202.201.48.1/32;
202.116.160.33/32;
202.114.240.6/32;
202.112.0.33/32;
};

;##################################################################
;# ISP 中国铁通China Railcom 所有IP地址段表
;# 数据来自于: http://www.scanmon.com 鹏鹏工作室
;# 如有错漏或任何建议,请联系jacky@scanmon.com
;# http://jk.scanmon.com/1811.htm
;# 我们的目标:提供最全面的IP相关信息
;##################################################################

acl “ChinaRailcom” {
110.192.0.0/11;
110.96.0.0/11;
122.64.0.0/11;
123.64.0.0/11;
203.90.160.0/19;
211.98.0.0/15;
221.172.0.0/14;
222.32.0.0/11;
61.232.0.0/14;
61.236.0.0/15;
};

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