https://forums.aws.amazon.com/ann.jspa?annID=1701# <quote> Dear Amazon EC2 customer, We are pleased to announce that as part of our ongoing expansion, we have added new public IP ranges. The current Amazon EC2 public address ranges are: US East (Northern Virginia): 72.44.32.0/19 (72.44.32.0 - 72.44.63.255) 67.202.0.0/18 (67.202.0.0 - 67.202.63.255) 75.101.128.0/17 (75.101.128.0 - 75.101.255.255) 174.129.0.0/16 (174.129.0.0 - 174.129.255.255) 204.236.192.0/18 (204.236.192.0 - 204.236.255.255) 184.73.0.0/16 (184.73.0.0 - 184.73.255.255) 184.72.128.0/17 (184.72.128.0 - 184.72.255.255) 184.72.64.0/18 (184.72.64.0 - 184.72.127.255) 50.16.0.0/15 (50.16.0.0 - 50.17.255.255) 50.19.0.0/16 (50.19.0.0 - 50.19.255.255) 107.20.0.0/14 (107.20.0.0 - 107.23.255.255) 23.20.0.0/14 (23.20.0.0 - 23.23.255.255) 54.242.0.0/15 (54.242.0.0 - 54.243.255.255) 54.234.0.0/15 (54.234.0.0 - 54.235.255.255) 54.236.0.0/15 (54.236.0.0 - ...