What is DuckAssistBot and what does it do?
DuckAssistBot is a web crawler for DuckDuckGo Search that crawls pages in real-time for our AI-assisted answers, which prominently cite their sources. This data is not used in any way to train AI models.
If you’re a publisher, you may opt out of being a potential source for AI-assisted answers by modifying the robots.txt file for your domain(s). Once you’ve updated the file to disallow the DuckAssistBot user agent, the change will take effect after 72 hours and DuckAssistBot will stop crawling your site. Publishers can contact us at crawling@duckduckgo.com with any opt-out problems. Opting out of DuckAssistBot does not impact organic search rankings and will not affect whether or not websites appear in our search results.
The crawler’s user agent will appear as DuckAssistBot/1.2; (+http://duckduckgo.com/duckassistbot.html) and originates from the following IP addresses (also available in JSON at https://duckduckgo.com/duckassistbot.json):
104.43.54.127
104.43.55.116
104.43.55.117
104.43.55.166
104.43.55.167
108.141.83.74
128.203.132.152
128.203.214.241
13.86.35.212
13.89.106.77
130.107.228.224
131.145.39.118
131.189.183.241
132.164.209.198
132.220.1.71
134.33.207.189
135.234.221.112
172.168.115.250
172.168.227.120
172.168.254.119
172.168.43.43
172.168.53.53
172.169.17.165
172.169.177.131
172.169.28.184
172.169.60.134
172.189.40.18
172.193.197.146
172.193.245.229
172.194.141.49
172.199.55.212
191.233.3.197
191.233.3.202
191.234.216.178
191.234.216.4
191.235.201.214
191.235.202.38
191.235.202.48
20.100.136.36
20.100.140.155
20.101.17.173
20.112.58.44
20.113.14.159
20.113.3.121
20.118.11.251
20.12.141.99
20.13.44.19
20.166.171.150
20.170.75.54
20.175.232.228
20.185.79.15
20.185.79.47
20.191.44.119
20.191.44.16
20.191.44.22
20.191.44.234
20.191.45.212
20.193.12.126
20.193.24.10
20.193.24.251
20.193.25.197
20.193.27.215
20.193.45.113
20.195.108.47
20.195.58.189
20.197.209.11
20.197.209.27
20.201.15.208
20.204.240.172
20.204.241.148
20.204.242.101
20.204.242.19
20.204.243.55
20.204.246.254
20.204.246.81
20.207.107.181
20.207.72.11
20.207.72.110
20.207.72.113
20.207.72.21
20.207.97.190
20.207.99.197
20.212.90.107
20.216.200.223
20.219.43.246
20.219.45.190
20.219.45.67
20.226.133.105
20.232.51.46
20.242.135.165
20.250.51.113
20.252.16.193
20.253.59.76
20.253.96.199
20.3.1.178
20.40.133.240
20.40.147.172
20.43.150.85
20.43.150.93
20.43.152.28
20.43.172.120
20.44.222.1
20.49.129.236
20.49.136.28
20.50.168.91
20.50.48.159
20.50.48.192
20.50.49.0
20.50.49.237
20.50.49.25
20.50.49.40
20.50.49.55
20.50.50.118
20.50.50.121
20.50.50.123
20.50.50.130
20.50.50.134
20.50.50.145
20.50.50.146
20.50.50.163
20.50.50.46
20.53.134.160
20.53.78.106
20.53.78.123
20.53.78.138
20.53.78.144
20.53.78.236
20.53.91.2
20.53.92.211
20.54.224.39
20.56.197.58
20.56.197.63
20.59.0.65
20.61.142.192
20.61.34.40
20.62.224.44
20.64.185.45
20.69.129.205
20.69.131.45
20.71.12.143
20.71.69.210
20.72.203.250
20.72.221.45
20.72.242.93
20.73.132.240
20.73.202.147
20.75.144.152
20.77.146.108
20.79.226.26
20.79.238.198
20.79.239.66
20.8.252.26
20.80.129.80
20.80.135.7
20.80.156.88
20.93.28.24
20.99.154.113
20.99.255.235
4.144.182.50
4.150.142.218
4.156.136.79
4.156.154.107
4.156.30.123
4.172.49.103
4.177.16.196
4.182.10.198
4.182.131.108
4.195.133.120
4.201.125.59
4.201.141.71
4.201.197.203
4.201.206.133
4.201.220.8
4.207.220.92
4.209.224.56
4.213.46.14
4.226.40.135
4.228.76.163
4.237.244.80
4.248.234.26
4.249.216.104
4.254.123.56
4.255.35.121
40.114.182.153
40.114.182.172
40.114.182.45
40.114.183.196
40.114.183.251
40.114.183.88
40.119.232.146
40.119.232.215
40.119.232.218
40.119.232.251
40.119.232.50
40.121.121.54
40.127.154.196
40.64.105.247
40.64.106.11
40.76.162.191
40.76.162.208
40.76.162.247
40.76.163.23
40.76.163.7
40.76.173.151
40.81.250.205
40.82.218.203
40.88.21.235
40.89.243.175
48.200.33.227
48.204.32.87
48.217.129.210
48.217.212.89
48.217.23.236
51.104.146.225
51.104.146.235
51.104.160.167
51.104.160.177
51.104.161.32
51.104.162.149
51.104.163.250
51.104.164.109
51.104.164.147
51.104.164.189
51.104.164.215
51.104.166.111
51.104.167.104
51.104.167.110
51.104.167.19
51.104.167.52
51.104.167.54
51.104.167.61
51.104.167.71
51.104.167.87
51.104.167.88
51.104.167.95
51.104.167.96
51.104.180.26
51.104.180.47
51.104.180.53
51.107.40.209
51.116.131.221
51.120.48.122
51.138.90.161
51.138.90.206
51.138.90.233
51.8.253.152
51.8.71.117
52.142.24.149
52.142.26.175
52.143.241.111
52.143.242.6
52.143.243.117
52.143.244.81
52.143.247.235
52.143.95.162
52.143.95.204
52.146.57.51
52.146.58.236
52.146.59.12
52.146.59.154
52.146.59.156
52.146.63.80
52.148.161.87
52.148.165.38
52.149.25.43
52.149.28.18
52.149.28.83
52.149.30.45
52.149.56.151
52.149.58.139
52.149.58.173
52.149.58.27
52.149.58.69
52.149.60.38
52.149.61.51
52.154.169.200
52.154.169.50
52.154.170.113
52.154.170.117
52.154.170.122
52.154.170.209
52.154.170.229
52.154.170.243
52.154.170.26
52.154.170.28
52.154.170.88
52.154.170.96
52.154.171.0
52.154.171.150
52.154.171.196
52.154.171.205
52.154.171.235
52.154.171.250
52.154.171.44
52.154.171.70
52.154.171.87
52.154.172.2
52.154.204.93
52.154.60.82
52.186.37.211
52.188.89.106
52.190.37.160
52.224.16.221
52.224.16.229
52.224.19.152
52.224.191.245
52.224.20.174
52.224.20.181
52.224.20.186
52.224.20.190
52.224.20.193
52.224.20.203
52.224.20.204
52.224.20.223
52.224.20.227
52.224.20.249
52.224.21.19
52.224.21.20
52.224.21.23
52.224.21.27
52.224.21.4
52.224.21.49
52.224.21.51
52.224.21.53
52.224.21.55
52.224.21.61
52.242.224.168
52.250.46.221
57.152.72.128
57.155.18.44
57.167.88.38
64.236.118.43
64.236.93.100
68.219.152.220
74.179.232.116
74.242.194.48
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