becarpenter-book6/5. Deployment/Deployment by carriers.md

## Deployment by carriers

All the organizations providing or using Internet connectivity services have an associated Autonous System Number (ASN).
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.

<img src="./Section5_Table2.jpg">

The percentage of IPv6-capable ASNs is growing over the years, which is a ggod sign.
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.
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).

Not unsurprisingly, the vast majority of carriers worldwide already support IPv6. Yet, differences exist.
As a general rule 

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