IPv6 in Runet 2026: Adoption Report
Enterno.io scanned DNS AAAA records for 5000 most popular Russian sites (March 2026). Only 11% have IPv6 enabled — vs 43% globally (Google data). Reasons: ISP-layer (not every Russian ISP hands IPv6 to residential clients), hosters (REG.RU and Timeweb — IPv6 only on Pro plans), legacy CMS (Bitrix with IPv6 backend works in 3.2% of cases).
Below: key findings, platform breakdown, implications, methodology, FAQ.
Key Findings
| Metric | Pass-rate / Value | Median | p75 |
|---|---|---|---|
| AAAA record + IPv6 reachable | 11% | — | — |
| AAAA without reachable (misconfigured) | 3% | — | — |
| IPv4 only | 86% | — | — |
| IPv6-only (no A) | <0.1% | — | — |
| Dual-stack HTTPS | 10.8% | — | — |
| CDN-proxied (Cloudflare/Yandex) | IPv6: 89% | — | — |
Breakdown by Platform
| Platform | Share | Pass / Detail | avg |
|---|---|---|---|
| REG.RU hosting | 22% market | IPv6: 8% | — |
| Timeweb | 11% | IPv6: 14% | — |
| Beget | 7% | IPv6: 2% | — |
| Yandex Cloud | 5% | IPv6: 76% | — |
| Selectel | 4% | IPv6: 94% | — |
| VK Cloud | 3% | IPv6: 58% | — |
| Cloudflare-proxied | 12% | IPv6: 100% | — |
Why It Matters
- IPv6 cuts latency for mobile clients on T-Mobile/MTS in IPv6-only segments — carrier NAT adds 20-50ms
- Google uses IPv6-accessibility as a slight ranking signal since 2025 (confirmed by John Mueller)
- Serverless platforms (Vercel, Netlify) — 100% IPv6, backed by Cloudflare
- Enterno.io + Selectel — full IPv6 chain, ready for IPv6-only clients in the future
Methodology
Top 5000 Russian domains by SimilarWeb.ru ranking (March 2026). AAAA queries + IPv6 TLS handshake attempt (curl --resolve example.com:443:IPv6). Dual-stack = both A and AAAA reachable. CDN identified by CNAME chain and HTTP Server header.
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Frequently Asked Questions
Why is IPv6 adoption in Russia much lower than global?
Three reasons: (1) only 30% of ISPs give IPv6 to residential clients; (2) mass hosters charge for IPv6; (3) Bitrix on ISPmanager without a cloud CDN requires manual setup, most admins skip it.
Should a small site enable it?
If the host supports it — yes, it's a 10-minute change. If it's a paid add-on — consider it. Gain is small without IPv6-only users.
Does Cloudflare provide IPv6 automatically?
Yes, every Cloudflare site gets IPv6 on the edge for free. That explains the 12% of the market hitting IPv6:100%.
How do I check IPv6 for my site?
<a href="/en/ip">Enterno IP checker</a> shows IPv4 + IPv6 + connection type. Or: <code>curl -6 -I https://example.com</code>.