I am happy to announce that this information is now available in JSON form at https://ip-ranges.amazonaws.com/ip-ranges.json Show archive.org snapshot . The information in this file is generated from our internal system-of-record and is authoritative. You can expect it to change several times per week and should poll accordingly.

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

• Prevents you from data breaches and liability risks
• Upgrade at your own pace
• Works with modern Rubies

Read more Show archive.org snapshot