以前 tqz 编写过一个免费软件 FreeIP, 就是检测 IP 是否落在教育网内 和免费.
其中带有个您想要得类似的数据库如下:
Source: CERNIC http://www.nic.edu.cn
Last updated on 1999.03.30
Currently, the following IP blocks are routed inside China, so-called internal "free" ip addresses.
Hone Kong IP Blocks:
137.189.0.0 0.0.255.255 1B
143.89.0.0 0.0.255.255 1B
144.214.0.0 0.0.255.255 1B
147.8.0.0 0.0.255.255 1B
158.132.0.0 0.0.255.255 1B
158.182.0.0 0.0.255.255 1B
161.64.0.0 0.0.255.255 1B
192.203.232.0 0.0.0.255 1C
192.207.91.0 0.0.0.255 1C
192.245.208.0 0.0.0.255 1C
202.14.80.0 0.0.0.255 1C
202.40.137.0 0.0.0.255 1C
202.40.138.0 0.0.0.255 1C
202.40.157.0 0.0.0.255 1C
202.40.192.0 0.0.15.255 16C
202.40.219.0 0.0.0.255 1C
202.45.32.0 0.0.31.255 32C
202.45.128.0 0.0.0.255 1C
167.216.0.0 0.0.255.255 1B
198.112.169.0 0.0.0.255 1C
206.220.224.0 0.0.3.255 4C
CERNET IP blocks:
162.105.0.0 0.0.255.255 1B
166.111.0.0 0.0.255.255 1B
202.4.128.0 0.0.31.255 32C
202.38.64.0 0.0.63.255 64C
202.38.192.0 0.0.63.255 64C
202.112.0.0 0.7.255.255 8B
202.120.0.0 0.1.255.255 2B
202.192.0.0 0.15.255.255 16B
210.32.0.0 0.15.255.255 16B
210.25.0.0 0.0.255.255 1B
210.26.0.0 0.1.255.255 2B
210.28.0.0 0.3.255.255 4B
CHINANET IP blocks:
203.207.64.0 0.0.63.255 64C
203.207.128.0 0.0.127.255 128C
161.207.0.0 0.0.255.255 1B
168.160.0.0 0.0.255.255 1B
202.24.0.0 0.0.3.255 4C
202.38.8.0 0.0.7.255 8C
202.38.164.0 0.0.3.255 4C
202.90.0.0 0.0.7.255 8C
202.91.128.0 0.0.1.255 2C
202.92.0.0 0.0.3.255 4C
202.93.0.0 0.0.15.255 16C
202.94.0.0 0.0.3.255 4C
202.95.0.0 0.0.3.255 4C
202.96.0.0 0.7.255.255 8B
202.122.128.0 0.0.0.255 1C
202.127.12.0 0.0.3.255 4C
202.127.40.0 0.0.7.255 8C
203.88.0.0 0.0.3.255 4C
203.90.0.0 0.0.3.255 4C
203.196.0.0 0.0.3.255 4C
203.208.0.0 0.0.3.255 4C
CSTNET IP block:
159.226.0.0 0.0.255.255 1B
202.38.128.0 0.0.1.255 2C
202.127.16.0 0.0.15.255 16C
202.127.144.0 0.0.15.255 16C
202.127.160.0 0.0.7.255 8C
202.127.200.0 0.0.7.255 8C
210.72.0.0 0.0.127.255 128C
210.72.160.0 0.0.15.255 16C
210.73.0.0 0.0.63.255 64C
210.73.96.0 0.0.31.255 32C
210.75.96.0 0.0.31.255 32C
210.75.224.0 0.0.31.255 32C
210.77.64.0 0.0.31.255 32C
210.74.192.0 0.0.31.255 32C (new! 1999.03.30)
ChinaGBN IP block:
203.93.0.0 0.0.127.255 128C
203.93.128.0 0.0.63.255 64C
203.93.192.0 0.0.0.255 1C
210.74.96.0 0.0.31.255 32C
210.74.128.0 0.0.31.255 32C
210.78.0.0 0.0.31.255 32C
202.38.152.0 0.0.1.255 2C
202.120.232.0 0.0.7.255 8C
203.87.224.0 0.0.31.255 32C
203.89.0.0 0.0.3.255 4C
210.79.224.0 0.0.31.255 32C
203.95.0.0 0.0.7.255 8C
210.77.96.0 0.0.31.255 32C
210.75.160.0 0.0.31.255 32C
202.4.255.0 0.0.0.255 1C
210.72.111.0 0.0.0.255 1C
202.38.135.0 0.0.0.255 1C
202.14.235.0 0.0.0.255 1C
202.14.236.0 0.0.0.255 1C
202.14.238.0 0.0.0.255 1C