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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 (1,081 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 marks the founding of .arpa[5].
  • .arpa's official website is recorded as http://www.iana.org/arpa-dom/[6].
  • .arpa's sponsor is recorded as Internet Architecture Board[7].
  • .arpa's described by source is recorded as RFC 6761: Special-Use Domain Names[8].

Body

Definition and Type

.arpa's instance of is recorded as top-level domain[3].

Origins

1999 marks the founding of .arpa[5].

Why It Matters

.arpa ranks in the top 3% of top_level_domain entities by monthly Wikipedia readership (1,081 views/month).[2] .arpa has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.[9] .arpa is known by 5 alternative names across languages and contexts.[10]

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] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [9] ↑ . Wikidata sitelinks. wikidata.org.
  3. [10] ↑ . 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)

Canonical URL: https://4ort.xyz/entity/arpa · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5d ago · Bb010g · 2026-09-09 view diff on Wikidata ↗
    Official website → http://www.iana.org/arpa-dom/
    Instance of → top-level domain
    Sponsor → Internet Architecture Board
    Instance of → —
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1|1 */ [[Property:P4839]]: Entity["TopLevelDomain", "ARPA"]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.