New Relic

New Relic publishes Synthetic monitoring public location IPs as JSON — both discrete addresses and CIDR ranges. Allowlist both when monitoring endpoints behind a firewall.

Autonomous systems

AS23467

Synthetics public minion IPs

Official feed

Official JSON of public Synthetics location CIDR ranges by city/region. Use for firewall allowlists when monitoring endpoints behind ACLs.

https://nr-synthetics-assets.s3.amazonaws.com/nat-ip-dnsname/production/ip-ranges.json

Documentation

New Relic Docs - Synthetic monitor public IP addresses

Autonomous systems

Published ranges

Documentation

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