From: https://ip-ranges.amazonaws.com/ip-ranges.json (10/16/18)

Regions: AWS-EC2 East-1 & West-1

100.24.0.0/13

107.20.0.0/14

13.52.0.0/16

13.56.0.0/16

13.57.0.0/16

174.129.0.0/16

18.144.0.0/15

18.204.0.0/14

18.208.0.0/13

18.232.0.0/14

184.169.128.0/17

184.72.0.0/18

184.72.128.0/17

184.72.64.0/18

184.73.0.0/16

204.236.128.0/18

204.236.192.0/18

216.182.224.0/21

216.182.232.0/22

216.182.236.0/23

216.182.238.0/23

23.20.0.0/14

3.80.0.0/12

34.192.0.0/12

34.224.0.0/12

35.153.0.0/16

35.168.0.0/13

50.16.0.0/15

50.18.0.0/16

50.19.0.0/16

52.0.0.0/15

52.2.0.0/15

52.20.0.0/14

52.200.0.0/13

52.4.0.0/14

52.44.0.0/15

52.52.0.0/15

52.54.0.0/15

52.70.0.0/15

52.72.0.0/15

52.8.0.0/16

52.86.0.0/15

52.9.0.0/16

52.90.0.0/15

52.94.248.0/28

52.94.248.128/28

52.94.249.80/28

52.95.245.0/24

52.95.246.0/24

52.95.255.80/28

52.95.255.96/28

54.144.0.0/14

54.151.0.0/17

54.152.0.0/16

54.153.0.0/17

54.156.0.0/14

54.160.0.0/13

54.172.0.0/15

54.174.0.0/15

54.176.0.0/15

54.183.0.0/16

54.193.0.0/16

54.196.0.0/15

54.198.0.0/16

54.204.0.0/15

54.208.0.0/15

54.210.0.0/15

54.215.0.0/16

54.219.0.0/16

54.221.0.0/16

54.224.0.0/15

54.226.0.0/15

54.234.0.0/15

54.236.0.0/15

54.241.0.0/16

54.242.0.0/15

54.67.0.0/16

54.80.0.0/13

54.88.0.0/14

54.92.128.0/17

67.202.0.0/18

72.44.32.0/19

75.101.128.0/17