D Datadog
Datadog publishes a JSON API of IP ranges per site for agents, API, APM, logs, synthetics, webhooks, and more. Each Datadog site (US1, EU1, US3, US5, AP1, AP2, Gov) has its own endpoint.
Autonomous systems
Network background
Datadog primarily operates on AWS and GCP. The official IP ranges endpoints are authoritative for firewall configuration.