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X.400

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CreativeWork communication_protocol Q300851
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X.400

Summary

X.400 is a communication protocol[1]. X.400 draws 52 Wikipedia views per month (communication_protocol category, ranking #63 of 158).[2]

Key Facts

  • X.400's instance of is recorded as communication protocol[3].
  • X.400's GND ID is recorded as 4219354-0[4].
  • X.400's subclass of is recorded as ITU-T Recommendation[5].
  • X.400's part of is recorded as Open Systems Interconnection[6].
  • X.400's Freebase ID is recorded as /m/01_qtm[7].
  • X.400's ITU/ISO/IEC object ID is recorded as 0.0.24.400[8].
  • X.400's Microsoft Academic ID is recorded as 2779664491[9].
  • X.400's FOLDOC ID is recorded as X.400[10].

Body

Publication

X.400's part of is recorded as Open Systems Interconnection[6].

Why It Matters

X.400 draws 52 Wikipedia views per month (communication_protocol category, ranking #63 of 158).[2] X.400 has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[11] X.400 is known by 18 alternative names across languages and contexts.[12]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . Freebase Data Dumps. wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [11] ↑ . Wikidata sitelinks. wikidata.org.
  3. [12] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). X.400. Retrieved May 3, 2026, from https://4ort.xyz/entity/x-400
MLA “X.400.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/x-400.
BibTeX @misc{4ortxyz_x-400_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{X.400}}, year = {2026}, url = {https://4ort.xyz/entity/x-400}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): X.400 — https://4ort.xyz/entity/x-400 (retrieved 2026-05-03)

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