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Crawler Bot IP Ranges

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IP ranges used by crawler bots. I will add to this page as I discover new crawler-bot IP ranges. 

5.255.250.1-5.255.250.254
37.9.87.1-37.9.87.254
66.249.64.1-66.249.64.254
66.249.65.1-66.249.65.254
66.249.66.1-66.249.66.254
66.249.69.1-66.249.69.254
66.249.75.1-66.249.75.254
66.249.79.1-66.249.79.254
77.88.5.1-77.88.5.254
77.88.47.1-77.88.47.254
84.201.133.1-84.201.133.254
87.250.224.1-87.250.224.254
93.158.161.1-93.158.161.254
93.158.166.1-93.158.166.254
100.43.81.1-100.43.81.254
100.43.85.1-100.43.85.254
100.43.90.1-100.43.90.254
100.43.91.1-100.43.91.254
103.197.49.1-103.197.49.254
136.243.145.1-136.243.145.254
141.8.143.1-141.8.143.254
141.8.144.1-141.8.144.254
144.76.67.1-144.76.67.254
178.154.244.1-178.154.244.254