IPIP Address Lookup
IPv4reserved

169.254.169.254

Cloud instance metadata service endpoint • Managed by IETF Link-Local (RFC 3927)

Profile updated: November 2026•Verified against IANA & RIR database allocations

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Overview of 169.254.169.254

169.254.169.254 is the standard link-local address queried by cloud virtual machines in AWS EC2, Google Cloud, and Azure to retrieve instance metadata, IAM credentials, and network configuration.

Classification & Technical Details

  • Protocol Version: IPv4

  • Address Classification: RESERVED (Non-routable / Local Interface)

  • Managing Authority / Registry: IETF Link-Local (RFC 3927)

  • Authoritative Reverse DNS (PTR): instance-data

Routing and Operational Purpose

The IP 169.254.169.254 is designated for Cloud instance metadata service endpoint. In modern networking, proper identification of such infrastructure nodes is essential for diagnosing traceroute latency, verifying forward-confirmed reverse DNS (FCrDNS), and establishing trustworthy security policies.