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Comment by NavinF | Hacker News Reader

There is no licensing for internet providers and that's a good thing. Most ISPs in the US already provide IPv6. 45% of users access Google over IPv6 and this has been increasing linearly for the last decade: https://www.google.com/intl/en/ipv6/statistics.html

The final barrier is crappy consumer routers with terrible default settings. Not much we can do but wait for these devices to die because the average user won't buy a new one until that happens

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> Most ISPs in the US already provide IPv6. 45% of users...

Is that distorted by cellular providers?

I know my wired ISP does not provide IPv6, even when I explicitly asked for it. They do CGNAT for most customers and assign a static IPv4 to anyone who complains (and then try to start charging for it a year later).

The ISP at my previous home was also IPv4 only (although, thankfully, no CGNAT).

Probably a bit, though I have noticed an upward trend in v6 support with ISPs.

When I was using Spectrum, was pleased to find they had (barely-passable) support, SLAAC wasn't a thing IIRC. Google Fiber has done well and so did AT&T's offering

Ok, fair enough. If Spectrum and AT&T both support v6 now (edit: Comcast/Xfinity too!), then that probably does cover a good portion of the wired ISP market.

SLAAC doesn't delegate address space. That's why ISPs use DHCPv6. You can get a /60 from Comcast and a /48 from many other ISPs.

Comcast / Xfinity has had IPv6 for years (probably 5-10).

Last I checked, most of that IPv6 traffic was mobile, and most residential ISPs don't offer IPv6, or if they do in areas, they don't always provide IPv6-ready equipment. We're in a similar situation up here in Canada - adoption is slowly trickling in through mobile networks, but many large ISPs still aren't offering it.

Thank you for this.

There is a very strong pattern of variability[1] associated with day-of-week. Namely, there is a 5.1% increase of IPv6 traffic on weekends.

This pattern isn't reflected in Cloudflare's version of this chart[2]. Naturally, a curious mind asks, "Why would this be so?"

1. Seasonality - https://en.wikipedia.org/wiki/Seasonality

2. https://radar.cloudflare.com/reports/ipv6

Probably because ancient corporate networks are more likely to lack IPv6 and people are spending more time on mobile data on weekends

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