IPv6 deployment
degree of adoption of the IPv6 protocol on the Internet
The deployment of IPv6, the latest version of the Internet Protocol (IP), has been in progress since the mid-2000s. IPv6 was designed as the successor protocol for IPv4 with an expanded addressing space. IPv4, which has been in use since 1982, is in the final stages of exhausting its unallocated address space, but still carries most Internet traffic.
By 2011, all major operating systems in use on personal computers and server systems had production-quality IPv6 implementations. Mobile telephone networks present a large deployment field for Internet-connected devices in which voice is provisioned as a voice over IP (VoIP) service. In 2009, the US cellular operator Verizon released technical specifications for devices to operate on its 4G networks. The specification mandates IPv6 operation according to the 3GPP Release 8 Specifications (March 2009), and deprecates IPv4 as an optional capability.
As of April 2026, Google's statistics shows use of IPv6 by its global user base at around 45–50% depending on the day of the week (greater on weekends). Adoption is uneven across countries and Internet service providers. Countries including France, Germany and India now run the majority of their traffic to Google over IPv6, with other countries including the United States, Brazil and Japan at around 50%.
Begin with the source’s own compact description: “IPv6 deployment” is degree of adoption of the IPv6 protocol on the Internet. The dossier treats that line as a proposition to test through IPv6, deployment and degree, not as a finished interpretation.
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The phrase “degree of adoption of the IPv6 protocol on the Internet” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 22, 2026. The linked authority identifier is Q11089. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1982, 2011, 2009 and 2026.
A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “IPv6 deployment” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.