IPv4reserved
255.255.255.255
Limited IPv4 broadcast address • Managed by IETF Reserved (RFC 919)
Profile updated: November 2026•Verified against IANA & RIR database allocations
Live Network Diagnostic
Overview of 255.255.255.255
255.255.255.255 addresses all hosts on the local network simultaneously without requiring knowledge of the specific subnet mask. Routers never forward packets directed to this address across subnet boundaries.
Classification & Technical Details
- Protocol Version: IPv4
- Address Classification: RESERVED (Non-routable / Local Interface)
- Managing Authority / Registry: IETF Reserved (RFC 919)
Routing and Operational Purpose
The IP 255.255.255.255 is designated for Limited IPv4 broadcast address. 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.