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+# AWS Public IP Address Ranges in CSV Format
+This is a neat little browser tool that downloads [the JSON
+file](https://ip-ranges.amazonaws.com/ip-ranges.json) and convert it to a CSV
+for better analysis with spreadsheet software. If you're annoyed because they
+only provide it in JSON and don't want to code to make sense of the data, you've
+come to the right place!
+
+The JSON data is probably for anyone who is affected by the Amazon's IP address
+changes, namely network admins who have to configure their firewalls for AWS
+traffic. Technically speaking, the data is not meant to be consumed by humans,
+but I personally had to consume it for [my hobby self-hosting
+project](https://gist.github.com/ashegoulding/72a8732d4a1679c343f84fc985ca8de8).
+I was particularly interested in EIP address blocks. I figured they're something
+AWS cannot easily mess with because that involves "evicting" all the EIP holders
+before releasing or repurposing the block.
+
+This tool is hosted on [my github.io
+site](https://ashegoulding.github.io/aws-ipblocks-csv). Bon appetit!
+
+## Links
+https://docs.aws.amazon.com/vpc/latest/userguide/aws-ip-ranges.html
+https://aws.amazon.com/blogs/aws/aws-ip-ranges-json/
+https://aws.amazon.com/blogs/developer/querying-the-public-ip-address-ranges-for-aws/