調查自稱為 Google 機器人的請求 IP（包含濫用情況）

25 min

セキュリティgooglebotnginxサーバー
language: ja bn en es hi pt ru zh-cn zh-tw

你好，我是無能。一時興起，我決定來調查一下 Google 的機器人們。

我也會調查有多少是偽裝的。

調查

這次將從 Nginx 的伺服器日誌中進行確認。

包含 Google 的 User-Agent

對象

$ ls
access.log  access.log.0  access.log.1  access.log.2  access.log.3  access.log.4  access.log.5  access.log.6
$ cat ./* | wc -l
746978
$ rg Google | awk -F\" '{print $6}' | sort | uniq -c | sort -tr
      1 BlackBerry7520/4.0.0 Profile/MIDP-2.0 Configuration/CLDC-1.1 UP.Browser/5.0.3.3 UP.Link/5.1.2.12 (Google WAP Proxy/1.0)
      1 GoogleOther-Image/1.0
      1 Googlebot/2.1 ( http://www.googlebot.com/bot.html)
      1 Mozilla/4.0 (compatible; GoogleToolbar 4.0.1019.5266-big; Windows XP 5.1; MSIE 6.0.2900.2180)
      1 Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Mobile Safari/537.36 (compatible; Google-InspectionTool/1.0)
      1 Mozilla/5.0 (en-us) AppleWebKit/525.13 (KHTML, like Gecko; Google Web Preview) Version/3.1 Safari/525.13
      2 DoCoMo/2.0 N905i(c100;TB;W24H16) (compatible; Googlebot-Mobile/2.1;  http://www.google.com/bot.html)
      2 Googlebot-News
      2 Googlebot-Video/1.0
      2 Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.7680.177 Mobile Safari/537.36 (compatible; AdsBot-Google-Mobile; +http://www.google.com/mobile/adsbot.html)
      3 FeedFetcher-Google; ( http://www.google.com/feedfetcher.html)
      3 Googlebot-Image/1.0
      3 Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
      3 Mozilla/5.0 (iPhone; U; CPU iPhone OS) (compatible; Googlebot-Mobile/2.1;  http://www.google.com/bot.html)
      4 Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Googlebot/2.1; +http://www.google.com/bot.html) Chrome/146.0.7680.164 Safari/537.36
      5 Mozilla/5.0 (compatible; Googlebot/2.1;  http://www.google.com/bot.html)
     10 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/537.36 (KHTML, like Gecko, Mediapartners-Google) Chrome/88.0.4324.175 Safari/537.36
     12 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/537.36 (KHTML, like Gecko, Mediapartners-Google) Chrome/81.0.4044.108 Safari/537.36
     12 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/537.36 (KHTML, like Gecko, Mediapartners-Google) Chrome/84.0.4147.108 Safari/537.36
     13 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/537.36 (KHTML, like Gecko, Mediapartners-Google) Chrome/77.0.3865.99 Safari/537.36
     13 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/537.36 (KHTML, like Gecko, Mediapartners-Google) Chrome/89.0.4389.127 Safari/537.36
     13 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/537.36 (KHTML, like Gecko, Mediapartners-Google) Chrome/89.0.4389.93 Safari/537.36
     14 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/537.36 (KHTML, like Gecko, Mediapartners-Google) Chrome/89.0.4389.130 Safari/537.36
     15 AdsBot-Google (+http://www.google.com/adsbot.html)
     15 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/537.36 (KHTML, like Gecko, Mediapartners-Google) Chrome/87.0.4280.90 Safari/537.36
     17 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/537.36 (KHTML, like Gecko, Mediapartners-Google) Chrome/84.0.4147.140 Safari/537.36
     18 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/537.36 (KHTML, like Gecko, Mediapartners-Google) Chrome/85.0.4183.122 Safari/537.36
     19 Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Mobile Safari/537.36 (compatible; Google-Read-Aloud; +https://support.google.com/webmasters/answer/1061943)
     19 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/537.36 (KHTML, like Gecko, Mediapartners-Google) Chrome/83.0.4103.118 Safari/537.36
41 Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Googlebot/2.1; +http://www.google.com/bot.html) Chrome/146.0.7680.177 Safari/537.36 104 Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html) 4229 Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.7680.177 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)

從 User-Agent 確認 IP

$ rg Google | awk -F\" '{print $1}' | awk -F: '{print $2}' | awk '{print $1}' | sort | uniq -c | sort -tr
      1 102.102.83.208
      1 102.209.223.8
      1 102.213.69.245
      1 102.96.161.212
      1 103.102.136.51
      1 103.117.162.160
      1 103.166.41.21
      1 103.174.225.53
      1 103.174.4.56
      1 103.182.63.251
      1 103.209.196.228
      1 107.175.195.195
      1 109.107.230.189
      1 110.36.105.66
      1 113.163.105.69
      1 113.164.130.84
      1 113.164.179.136
      1 113.165.156.186
      1 113.167.114.75
      1 113.167.36.210
      1 113.168.178.66
      1 113.170.146.57
      1 113.172.134.199
      1 113.172.55.98
      1 113.173.131.69
      1 113.176.223.121
      1 113.177.75.9
      1 113.179.10.132
      1 113.179.81.135
      1 113.181.56.153
      1 113.184.109.88
      1 113.187.118.187
      1 113.188.199.37
      1 123.16.137.129
      1 123.16.20.54
      1 123.17.123.74
      1 123.17.241.160
      1 123.21.128.173
      1 123.21.154.104
      1 123.21.239.192
      1 123.22.157.65
      1 123.22.26.73
      1 123.22.47.234
      1 123.23.173.28
      1 123.23.53.57
      1 123.26.211.219
      1 123.28.244.115
      1 129.222.187.142
      1 135.136.22.95
      1 14.161.25.181
      1 14.163.205.38
      1 14.163.255.222
      1 14.163.74.166
      1 14.165.82.24
      1 14.166.9.16
      1 14.168.144.185
      1 14.169.148.70
      1 14.171.175.167
      1 14.174.245.92
      1 14.174.77.121
      1 14.177.105.57
      1 14.178.211.59
      1 14.179.10.60
      1 14.183.145.50
      1 14.184.50.90
      1 14.185.153.242
      1 14.186.117.89
      1 14.186.150.189
      1 14.187.218.91
      1 14.187.26.243
      1 14.189.179.118
      1 14.189.210.53
      1 14.190.2.154
      1 14.191.16.78
      1 14.191.17.109
      1 14.191.18.234
      1 14.191.182.19
      1 14.191.186.94
      1 14.191.75.66
      1 14.227.194.148
      1 14.228.237.83
      1 14.228.75.26
      1 14.229.179.246
      1 14.233.174.253
      1 14.234.144.235
      1 14.234.49.104
      1 14.235.208.131
      1 14.237.141.33
      1 14.240.58.44
      1 14.241.134.193
      1 14.241.175.90
      1 14.247.241.23
      1 14.248.205.47
      1 14.254.4.140
      1 143.105.146.217
      1 144.124.192.237
      1 146.70.132.37
      1 146.70.188.201
      1 149.102.246.23
      1 149.40.247.184
      1 154.182.113.105
      1 154.249.128.19
      1 154.47.29.12
      1 154.47.29.7
      1 156.207.113.249
      1 157.100.109.38
      1 158.173.46.141
      1 158.173.46.150
      1 163.61.227.149
      1 167.250.37.1
      1 168.232.162.137
      1 169.224.11.74
      1 176.28.246.47
      1 177.245.235.193
      1 179.24.245.210
      1 179.24.37.219
      1 181.123.202.209
      1 181.177.142.132
      1 181.20.0.199
      1 181.225.198.251
      1 182.252.75.10
      1 185.209.199.101
      1 185.213.154.208
      1 185.213.229.201
      1 185.65.135.176
      1 186.19.194.205
      1 186.64.216.77
      1 187.18.254.35
      1 188.247.203.22
      1 191.113.89.3
      1 191.84.214.228
      1 192.178.15.37
      1 192.178.15.38
      1 192.178.15.39
      1 192.178.6.5
      1 193.138.218.201
      1 193.32.127.227
      1 193.32.249.175
      1 193.32.249.233
      1 194.127.167.114
      1 196.216.60.5
      1 196.64.23.93
      1 197.203.188.32
      1 200.150.240.219
      1 213.230.112.182
      1 213.230.88.168
      1 213.230.93.122
      1 222.252.116.30
      1 222.254.102.235
      1 222.254.234.228
1 222.254.235.100 1 223.123.73.157 1 31.146.249.245 1 37.238.89.130 1 37.239.128.136 1 37.239.34.20 1 38.121.208.13 1 38.147.75.229 1 38.159.51.124 1 38.52.132.46 1 38.61.160.186 1 39.63.183.44 1 41.121.161.255 1 41.143.205.203 1 41.226.155.129 1 45.129.59.188 1 45.161.97.5 1 45.182.132.6 1 45.189.56.33 1 45.239.187.75 1 45.247.87.161 1 45.83.220.221 1 5.175.154.231 1 5.193.137.135 1 5.57.13.154 1 64.233.173.37 1 66.249.64.64 1 66.249.64.65 1 66.249.66.78 1 66.249.68.35 1 66.249.71.130 1 66.249.73.101 1 66.249.73.130 1 66.249.73.132 1 66.249.73.204 1 66.249.74.100 1 66.249.74.129 1 66.249.74.135 1 72.252.235.78 1 74.125.217.103 1 77.83.39.42 1 79.127.182.142 1 84.54.70.17 1 85.193.106.148 1 89.37.63.212 1 93.114.213.250 2 64.233.173.38 2 66.249.66.204 2 66.249.73.160 2 66.249.73.161 2 66.249.73.197 2 66.249.73.201 2 66.249.74.10 2 66.249.74.11 2 66.249.74.128 2 66.249.74.132 2 66.249.74.136 2 66.249.74.137 2 66.249.74.15 2 66.249.90.39 2 74.125.215.168 3 66.249.73.131 3 66.249.73.172 3 66.249.74.1 3 66.249.74.12 3 66.249.74.131 3 66.249.74.14 4 66.249.73.103 4 66.249.73.203 4 66.249.74.133 4 74.125.215.167 5 66.249.73.102 5 66.249.73.173 5 66.249.74.110 6 66.249.73.202 6 74.125.217.101 7 66.249.73.198 7 66.249.73.200 7 74.125.215.169 8 74.125.217.102 10 66.249.73.199 43 66.249.74.102 50 66.249.74.103 53 66.249.74.101 840 66.249.74.65 1243 66.249.74.64 2044 66.249.74.78

雖然對以 66 或 74 開頭的位址有一定的認識，但還是有不少來自不明 IPv4 位址的請求，特別是越南和非洲的 IP 相當多。
官方也在以下頁面公開了相關資訊。
驗證 Google 檢索器與擷取工具的要求 | Google 檢索基礎架構  |  Crawling infrastructure  |  Google for Developers

自稱為 Googlebot 的反向解析主機

$ rg Google | awk -F\" '{print $1}' | awk -F: '{print $2}' | awk '{print $1}' | sort -u | xargs -I{} getent hosts {}
102.209.223.8   OCI-102.209.223.8.aviso.ci
103.174.225.53  ns3.virtualhostbd.net
107.175.195.195 107-175-195-195-host.colocrossing.com
110.36.105.66   GPONUser36105-66.wateen.net
113.163.105.69  static.vnpt.vn
113.164.130.84  static.vnpt.vn
113.164.179.136 static.vnpt.vn
113.165.156.186 static.vnpt.vn
113.167.114.75  static.vnpt.vn
113.167.36.210  static.vnpt.vn
113.168.178.66  static.vnpt.vn
113.170.146.57  static.vnpt.vn
113.172.134.199 static.vnpt.vn
113.172.55.98   static.vnpt.vn
113.173.131.69  static.vnpt.vn
113.176.223.121 static.vnpt.vn
113.177.75.9    static.vnpt.vn
113.179.10.132  static.vnpt.vn
113.179.81.135  static.vnpt.vn
113.181.56.153  static.vnpt.vn
113.184.109.88  static.vnpt.vn
113.187.118.187 static.vnpt.vn
113.188.199.37  static.vnpt.vn
123.16.137.129  static.vnpt.vn
123.16.20.54    static.vnpt.vn
123.17.123.74   static.vnpt.vn
123.17.241.160  static.vnpt.vn
123.26.211.219  static.vnpt.vn
123.28.244.115  localhost
129.222.187.142 customer.nrbiken1.isp.starlink.com
14.161.25.181   static.vnpt.vn
14.163.205.38   static.vnpt.vn
14.163.255.222  static.vnpt.vn
14.163.74.166   static.vnpt.vn
14.165.82.24    static.vnpt.vn
14.166.9.16     static.vnpt.vn
14.168.144.185  static.vnpt.vn
14.169.148.70   static.vnpt.vn
14.171.175.167  static.vnpt.vn
14.174.245.92   static.vnpt.vn
14.174.77.121   static.vnpt.vn
14.177.105.57   static.vnpt.vn
14.178.211.59   static.vnpt.vn
14.179.10.60    static.vnpt.vn
14.183.145.50   static.vnpt.vn
14.184.50.90 static.vnpt.vn 14.185.153.242 static.vnpt.vn 14.186.117.89 static.vnpt.vn 14.186.150.189 static.vnpt.vn 14.187.218.91 static.vnpt.vn 14.187.26.243 static.vnpt.vn 14.189.179.118 static.vnpt.vn 14.189.210.53 static.vnpt.vn 14.190.2.154 static.vnpt.vn 14.191.16.78 static.vnpt.vn 14.191.17.109 static.vnpt.vn 14.191.18.234 static.vnpt.vn 14.191.182.19 static.vnpt.vn 14.191.186.94 static.vnpt.vn 14.191.75.66 static.vnpt.vn 14.227.194.148 static.vnpt.vn 14.228.237.83 static.vnpt.vn 14.228.75.26 static.vnpt.vn 14.229.179.246 static.vnpt.vn 14.233.174.253 static.vnpt.vn 14.234.144.235 static.vnpt.vn 14.234.49.104 static.vnpt.vn 14.235.208.131 static.vnpt.vn 14.237.141.33 static.vnpt.vn 14.240.58.44 static.vnpt.vn 14.241.134.193 static.vnpt.vn 14.241.175.90 static.vnpt.vn 14.247.241.23 static.vnpt.vn 14.248.205.47 static.vnpt.vn 14.254.4.140 static.vnpt.vn 143.105.146.217 customer.bgtacol1.isp.starlink.com 149.102.246.23 unn-149-102-246-23.datapacket.com 154.47.29.12 unn-154-47-29-12.datapacket.com 154.47.29.7 unn-154-47-29-7.datapacket.com 157.100.109.38 host-157-100-109-38.ecua.net.ec 167.250.37.1 167-250-37-1.ips-dinamicos.sol.com.py 168.232.162.137 168-232-162-137.static.sumicity.net.br 177.245.235.193 customer-LEON-CGN-235-193.megared.net.mx 179.24.245.210 r179-24-245-210.dialup.adsl.anteldata.net.uy 179.24.37.219 r179-24-37-219.dialup.adsl.anteldata.net.uy 181.123.202.209 pool-209-202-123-181.telecel.com.py 181.177.142.132 static-181-177-142-132.supernet.com.bo 181.20.0.199 181-20-0-199.speedy.com.ar 186.19.194.205 cpe-186-19-194-205.telecentro-reversos.com.ar 186.64.216.77 ip77-216-64-186.ct.co.cr 191.113.89.3 191-113-89-3.baf.movistar.cl 192.178.15.37 google-proxy-192-178-15-37.google.com 192.178.15.38 google-proxy-192-178-15-38.google.com 192.178.15.39 google-proxy-192-178-15-39.google.com 192.178.6.5 crawl-192-178-6-5.googlebot.com 213.230.112.182 182.64.uzpak.uz 213.230.88.168 168.64.uzpak.uz 213.230.93.122 122.64.uzpak.uz 222.252.116.30 static.vnpt.vn 222.254.102.235 static.vnpt.vn 222.254.234.228 static.vnpt.vn 222.254.235.100 static.vnpt.vn 38.121.208.13 38-121-208-13.galanet.com.ve 38.52.132.46 132-52-38-46.giganet.net.py 45.161.97.5 45-161-97-5.log.inf.br 45.182.132.6 clientes-132.6.dbug.com.br 45.189.56.33 33-56-189-45.cbvision.net.ec 45.239.187.75 45-239-187-75.cooperatelecom.com.br 5.57.13.154 5-57-13-154.elcat.kg 64.233.173.37 google-proxy-64-233-173-37.google.com 64.233.173.38 google-proxy-64-233-173-38.google.com 66.249.64.64 crawl-66-249-64-64.googlebot.com 66.249.64.65 crawl-66-249-64-65.googlebot.com 66.249.66.204 crawl-66-249-66-204.googlebot.com 66.249.66.78 crawl-66-249-66-78.googlebot.com 66.249.68.35 crawl-66-249-68-35.googlebot.com 66.249.71.130 crawl-66-249-71-130.googlebot.com 66.249.73.101 crawl-66-249-73-101.googlebot.com 66.249.73.102 crawl-66-249-73-102.googlebot.com 66.249.73.103 crawl-66-249-73-103.googlebot.com 66.249.73.130 crawl-66-249-73-130.googlebot.com 66.249.73.131 crawl-66-249-73-131.googlebot.com 66.249.73.132 crawl-66-249-73-132.googlebot.com 66.249.73.160 crawl-66-249-73-160.googlebot.com 66.249.73.161 crawl-66-249-73-161.googlebot.com 66.249.73.172 crawl-66-249-73-172.googlebot.com 66.249.73.173 crawl-66-249-73-173.googlebot.com 66.249.73.197 crawl-66-249-73-197.googlebot.com 66.249.73.198 crawl-66-249-73-198.googlebot.com 66.249.73.199 crawl-66-249-73-199.googlebot.com 66.249.73.200 crawl-66-249-73-200.googlebot.com 66.249.73.201 crawl-66-249-73-201.googlebot.com 66.249.73.202 crawl-66-249-73-202.googlebot.com 66.249.73.203 crawl-66-249-73-203.googlebot.com 66.249.73.204 crawl-66-249-73-204.googlebot.com 66.249.74.1 crawl-66-249-74-1.googlebot.com 66.249.74.10 crawl-66-249-74-10.googlebot.com 66.249.74.100 crawl-66-249-74-100.googlebot.com 66.249.74.101 crawl-66-249-74-101.googlebot.com66.249.74.102 crawl-66-249-74-102.googlebot.com 66.249.74.103 crawl-66-249-74-103.googlebot.com 66.249.74.11 crawl-66-249-74-11.googlebot.com 66.249.74.110 crawl-66-249-74-110.googlebot.com 66.249.74.12 crawl-66-249-74-12.googlebot.com 66.249.74.128 crawl-66-249-74-128.googlebot.com 66.249.74.129 crawl-66-249-74-129.googlebot.com 66.249.74.131 crawl-66-249-74-131.googlebot.com 66.249.74.132 crawl-66-249-74-132.googlebot.com 66.249.74.133 crawl-66-249-74-133.googlebot.com 66.249.74.135 crawl-66-249-74-135.googlebot.com 66.249.74.136 crawl-66-249-74-136.googlebot.com 66.249.74.137 crawl-66-249-74-137.googlebot.com 66.249.74.14 crawl-66-249-74-14.googlebot.com 66.249.74.15 crawl-66-249-74-15.googlebot.com 66.249.74.64 crawl-66-249-74-64.googlebot.com 66.249.74.65 crawl-66-249-74-65.googlebot.com 66.249.74.78 crawl-66-249-74-78.googlebot.com 66.249.90.39 rate-limited-proxy-66-249-90-39.google.com 74.125.215.167 google-proxy-74-125-215-167.google.com 74.125.215.168 google-proxy-74-125-215-168.google.com 74.125.215.169 google-proxy-74-125-215-169.google.com 74.125.217.101 rate-limited-proxy-74-125-217-101.google.com 74.125.217.102 rate-limited-proxy-74-125-217-102.google.com 74.125.217.103 rate-limited-proxy-74-125-217-103.google.com 79.127.182.142 unn-79-127-182-142.datapacket.com

Google 另外準備了限速用的 IP 呢。也難怪。

geoiplookup

$ rg Google | awk -F\" '{print $1}' | awk -F: '{print $2}' | awk '{print $1}' | sort -u | xargs -I{} geoiplookup {} | sort | uniq -c | sort -tr
      1 GeoIP Country Edition: AE, United Arab Emirates
      1 GeoIP Country Edition: BG, Bulgaria
      1 GeoIP Country Edition: BO, Bolivia
      1 GeoIP Country Edition: CH, Switzerland
      1 GeoIP Country Edition: CI, Cote D'Ivoire
      1 GeoIP Country Edition: CR, Costa Rica
      1 GeoIP Country Edition: EE, Estonia
      1 GeoIP Country Edition: ET, Ethiopia
      1 GeoIP Country Edition: GB, United Kingdom
      1 GeoIP Country Edition: GE, Georgia
      1 GeoIP Country Edition: GR, Greece
      1 GeoIP Country Edition: HU, Hungary
      1 GeoIP Country Edition: JM, Jamaica
      1 GeoIP Country Edition: KE, Kenya
      1 GeoIP Country Edition: KG, Kyrgyzstan
      1 GeoIP Country Edition: MX, Mexico
      1 GeoIP Country Edition: NA, Namibia
      1 GeoIP Country Edition: RO, Romania
      1 GeoIP Country Edition: SY, Syrian Arab Republic
      1 GeoIP Country Edition: TN, Tunisia
      1 GeoIP Country Edition: UA, Ukraine
      1 GeoIP Country Edition: ZA, South Africa
      2 GeoIP Country Edition: CL, Chile
      2 GeoIP Country Edition: DK, Denmark
      2 GeoIP Country Edition: DZ, Algeria
      2 GeoIP Country Edition: EC, Ecuador
      2 GeoIP Country Edition: HR, Croatia
      2 GeoIP Country Edition: JO, Jordan
      2 GeoIP Country Edition: KZ, Kazakhstan
      2 GeoIP Country Edition: NL, Netherlands
      2 GeoIP Country Edition: UY, Uruguay
      3 GeoIP Country Edition: EG, Egypt
      3 GeoIP Country Edition: PY, Paraguay
      4 GeoIP Country Edition: AR, Argentina
      4 GeoIP Country Edition: MA, Morocco
      5 GeoIP Country Edition: BR, Brazil
      5 GeoIP Country Edition: IQ, Iraq
      5 GeoIP Country Edition: VE, Venezuela
      6 GeoIP Country Edition: BD, Bangladesh
      6 GeoIP Country Edition: PK, Pakistan
      6 GeoIP Country Edition: UZ, Uzbekistan
      7 GeoIP Country Edition: SE, Sweden
     61 GeoIP Country Edition: US, United States
     82 GeoIP Country Edition: VN, Vietnam

看起來越南 IP 的濫用情況很多呢。
既然都冒充成已知的 User-Agent（如 Google）做到這種程度了，這群 IP 相當惡質，或許已經可以建立「如果反向解析結果不是 Google 就直接封鎖 (Ban)」的規則了。
反向解析結果即使只是 *.google.com 或 *.googlebot.com 這種粗略的判斷，感覺也已經足夠了。

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