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.arpa

top-level domain
Intangible top_level_domain Q158966
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.arpa

Summary

.arpa is a top-level domain[1]. .arpa ranks in the top 3% of top_level_domain entities by monthly Wikipedia readership (212 views/month).[2]

Key Facts

  • .arpa's instance of is recorded as top-level domain[3].
  • .arpa's maintained by is recorded as Internet Assigned Numbers Authority[4].
  • +1999-00-00T00:00:00Z marks the founding of .arpa[5].
  • .arpa's Freebase ID is recorded as /m/03yg0m[6].
  • .arpa's official website is recorded as http://www.iana.org/arpa-dom/[7].
  • .arpa's sponsor is recorded as Internet Architecture Board[8].
  • .arpa's described by source is recorded as RFC 6761: Special-Use Domain Names[9].
  • .arpa's File Format Wiki page ID is recorded as TLD_.arpa[10].
  • .arpa's Wolfram Language entity code is recorded as Entity["TopLevelDomain", "ARPA"][11].
  • .arpa's IANA Root Zone Database ID is recorded as arpa[12].
  • .arpa's ICANNWiki page ID is recorded as .arpa[13].

Why It Matters

.arpa ranks in the top 3% of top_level_domain entities by monthly Wikipedia readership (212 views/month).[2] .arpa has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.[14] .arpa is known by 4 alternative names across languages and contexts.[15]

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] ↑ . Freebase Data Dumps. wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] ↑ . Wikidata sitelinks. wikidata.org.
  3. [15] ↑ . 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). .arpa. Retrieved May 3, 2026, from https://4ort.xyz/entity/arpa
MLA “.arpa.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/arpa.
BibTeX @misc{4ortxyz_arpa_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{.arpa}}, year = {2026}, url = {https://4ort.xyz/entity/arpa}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): .arpa — https://4ort.xyz/entity/arpa (retrieved 2026-05-03)

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