HubSpot
OfficialHubSpot publishes active network-origin IP ranges as JSON (and a plaintext variant). Entries are tagged by direction and service — EMAIL, API, DNS, and WEB_SCRAPING — so you can allowlist only the traffic you need.
HubSpot publishes active network-origin IP ranges as JSON (and a plaintext variant). Entries are tagged by direction and service — EMAIL, API, DNS, and WEB_SCRAPING — so you can allowlist only the traffic you need.