查 dns 污染的时候发现了一个有趣的事情

查 dns 污染的时候发现了一个有趣的事情，不少奇怪的网站本地都解析到相同的 ip，本着好奇的心理对有限几个 404 网站做了个统计归纳，发现基本都在一个 ip 列表里在这里发出来，不知道全不全

8.7.198.45
31.13.64.1
31.13.64.33
31.13.64.49
31.13.65.1
31.13.65.17
31.13.65.18
31.13.66.1
31.13.66.6
31.13.66.23
31.13.68.1
31.13.68.22
31.13.69.33
31.13.69.86
31.13.69.129
31.13.69.160
31.13.70.1
31.13.70.20
31.13.71.7
31.13.71.23
31.13.72.1
31.13.72.17
31.13.72.23
31.13.72.34
31.13.72.54
31.13.73.1
31.13.73.17
31.13.73.23
31.13.74.1
31.13.74.17
31.13.75.17
31.13.75.18
31.13.76.8
31.13.76.16
31.13.77.33
31.13.77.55
31.13.78.65
31.13.78.66
31.13.79.1
31.13.79.17
31.13.80.1
31.13.80.17
31.13.81.1
31.13.81.17
31.13.82.1
31.13.82.17
31.13.82.23
31.13.83.1
31.13.83.8
31.13.83.16
31.13.84.1
31.13.84.8
31.13.84.16
31.13.85.1
31.13.85.8
31.13.85.16
31.13.86.1
31.13.86.8
31.13.86.16
31.13.97.245
31.13.97.248
46.82.174.68
59.24.3.173
64.13.192.74
64.13.192.76
64.13.232.149
66.220.146.94
66.220.147.11
66.220.147.44
66.220.147.47
66.220.149.18
66.220.149.32
66.220.149.99
66.220.151.20
66.220.152.17
66.220.152.28
66.220.155.12
66.220.155.14
66.220.158.32
67.15.100.252
67.15.129.210
67.228.37.26
67.228.74.123
67.228.102.32
67.228.126.62
67.228.221.221
67.228.235.91
67.228.235.93
69.63.176.15
69.63.176.59
69.63.176.143
69.63.178.13
69.63.180.173
69.63.181.11
69.63.181.12
69.63.184.14
69.63.184.30
69.63.184.142
69.63.186.30
69.63.186.31
69.63.187.12
69.63.189.16
69.63.190.26
69.171.224.12
69.171.224.40
69.171.224.85
69.171.225.13
69.171.227.37
69.171.228.20
69.171.228.74
69.171.229.11
69.171.229.28
69.171.229.73
69.171.230.18
69.171.232.21
69.171.233.24
69.171.233.33
69.171.233.37
69.171.234.18
69.171.234.29
69.171.234.48
69.171.235.16
69.171.235.64
69.171.235.101
69.171.237.16
69.171.237.26
69.171.239.11
69.171.240.27
69.171.242.11
69.171.242.30
69.171.244.11
69.171.244.12
69.171.244.15
69.171.245.49
69.171.245.53
69.171.245.84
69.171.246.9
69.171.247.20
69.171.247.32
69.171.247.71
69.171.248.65
69.171.248.112
69.171.248.128
74.86.3.208
74.86.12.172
74.86.12.173
74.86.17.48
74.86.118.24
74.86.142.55
74.86.151.162
74.86.151.167
74.86.226.234
74.86.228.110
74.86.235.236
75.126.2.43
75.126.33.156
75.126.115.192
75.126.124.162
75.126.135.131
75.126.150.210
75.126.164.178
75.126.215.88
78.16.49.15
88.191.249.182
88.191.249.183
88.191.253.157
93.46.8.89
173.252.73.48
173.252.100.21
173.252.100.32
173.252.102.16
173.252.102.241
173.252.103.64
173.252.110.21
174.36.196.242
174.36.228.136
174.37.54.20
174.37.154.236
174.37.175.229
199.16.156.7
199.16.156.40
199.16.158.190
199.59.148.14
199.59.148.97
199.59.148.140
199.59.148.209
199.59.149.136
199.59.149.244
199.59.150.11
199.59.150.49
205.186.152.122
208.43.170.231
208.43.237.140
208.101.21.43
208.101.48.171
208.101.60.87
243.185.187.39

话说这玩意有啥用么