Limits RegistryPUBLIC RECORDLimits RegistryResearch Console →IPv4 total-length field maximum is 65535 bytes under the RFC 791 16-bit Total Length field. The value includes the IPv4 header and payload.
The question, scope, and sources behind this Registry record.
Under the RFC 791 16-bit Total Length field, what exact standards-defined value applies to complete IPv4 datagram length?
Current frontiers derived from accepted Claims.
The accepted equality closes this optimization result.
Assertions tied to evidence, attribution, and review.
The frontier as it changed over time.
Only accepted Claims matching the current specification contribute to the displayed bounds. Strict inequalities remain open; contradictory Claims require editorial review.