Source CIDR

PayPal

PayPal documents CIDR ranges for API, IPN, and SFTP endpoints. They recommend using DNS resolution with default TTL values rather than hard-coding IPs, but publish ranges for firewall allowlists.

Autonomous systems

AS17012

PayPal server endpoint IP ranges Documentation

Official sources

Published prefixes

  • 64.4.240.0/21
  • 64.4.248.0/22
  • 66.211.168.0/22
  • 91.243.72.0/23
  • 173.0.80.0/20