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28 lines
2.9 KiB
Markdown
28 lines
2.9 KiB
Markdown
## Deployment by carriers
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All the organizations providing or using Internet connectivity services have an associated Autonous System Number (ASN).
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[APNIC](https://blog.apnic.net/2022/01/06/bgp-in-2021-the-bgp-table/) provides statistics on the evolution of IPv6 support across the ASNs in the world, as observed in the Internet routing tables.
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<img src="./Section5_Table2.jpg" alt="Table shows 18% annual IPv6 growth 2018 to 2022">
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The percentage of IPv6-capable ASNs is growing over the years, which is a good sign.
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On the other hand, the table does not allow to understand the degree of adoption across the different industries, that is whether the ASNs are associated to a carrier, a service provider or an entreprise.
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To zoom in at that level, it is necessary to look at more detailed statistics such as those provided by [Akamai](https://www.akamai.com/internet-station/cyber-attacks/state-of-the-internet-report/ipv6-adoption-visualization) or [APNIC](https://stats.labs.apnic.net).
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Not unsurprisingly, the vast majority of carriers worldwide already support IPv6. Yet, differences exist.
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As a general rule, the carriers active in those countries with higher IPv6 adoption also show higher levels of IPv6 utilization.
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For example, based on the Akamai statistics, IPv6 adoption in the United States is 51%. Carriers such as AT&T, Comcast, T-Mobile and Verizon all exceed 70% of IPv6 use in their networks.
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In Europe, both Belgium and Germany reach 50% of IPv6 traffic. Proximus, Telenet, DT, Telefonica Germany, Versatel and Vodafone Germany range from 50% to 70%.
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India shows 51% IPv6 adoption. Carriers there also have high IPv6 rate. Bharti, Reliance Jio and Vodafone India find themselves between 60% and 70%.
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Whilst it cannot be gneralized, in countries with lower IPv6 adoption the local carriers also tend to be slower in enabling IPv6.
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For example, European countries such as Spain, Italy and Poland show respectively 4.5%, 7% and 13.5% adoption.
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Based on APNIC data, exluding the exceptions of Telefonica de España (26%), Vodafone Italy (21%), Wind/3 Italy (22%) and Orange Poland (23%), all the other carries sit quite below the threshold of 20% adoption.
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Differences also apply between wired and wireless carriers. The latter are often more advanced with IPv6. In several cases \[[RFC9386](https://www.rfc-editor.org/info/rfc9386)], the reason for them to move to IPv6 depended on the lack of public IPv4 addresses.
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Those carriers have decided to develop strategic plans to enable IPv6-only underlay services, for example through the adoption of translation mechanisms such as 464XLAT (Reliance Jio, T-Mobile), guaranteeing legacy IPv4-as-a-Service support.
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Notable examples of early IPv6 adoption in the wired domain are Comcast in the US and Sky in the UK.
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### [<ins>Previous</ins>](Status.md) [<ins>Next</ins>](Deployment%20in%20the%20home.md) [<ins>Chapter Contents</ins>](8.%20Deployment%20Status.md)
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