Why No IPv6?

IPv6 per Autonomous System

This is a list of the top 50 ASN's with sites that lacks IPv6

Order by IPv4 Count Order by IPv6 Count Order by IPv6 Percent

ASN Organization Dual-Stack Progress
AS16509 Amazon.com, Inc. 23535 Dual-Stack47665 IPv4 Only
AS2635 Automattic, Inc 463 Dual-Stack26411 IPv4 Only
AS16276 OVH SAS 5686 Dual-Stack20445 IPv4 Only
AS13335 Cloudflare, Inc. 116750 Dual-Stack20287 IPv4 Only
AS14618 Amazon.com, Inc. 6327 Dual-Stack18262 IPv4 Only
AS24940 Hetzner Online GmbH 6337 Dual-Stack17577 IPv4 Only
AS396982 Google LLC 5281 Dual-Stack14924 IPv4 Only
AS46606 Unified Layer 1135 Dual-Stack11164 IPv4 Only
AS14061 DigitalOcean, LLC 3094 Dual-Stack10644 IPv4 Only
AS15169 Google LLC 30691 Dual-Stack9589 IPv4 Only
AS8075 Microsoft Corporation 2298 Dual-Stack9175 IPv4 Only
AS53831 Squarespace, Inc. 408 Dual-Stack7430 IPv4 Only
AS26496 GoDaddy.com, LLC 987 Dual-Stack7383 IPv4 Only
AS32244 Liquid Web, L.L.C 6204 Dual-Stack7280 IPv4 Only
AS63949 Linode, LLC 3492 Dual-Stack5565 IPv4 Only
AS19871 Network Solutions, LLC 668 Dual-Stack5395 IPv4 Only
AS8560 Brauerstrasse 48 5588 Dual-Stack4840 IPv4 Only
AS58182 Wix.com Ltd. 311 Dual-Stack4704 IPv4 Only
AS54113 Fastly 5742 Dual-Stack4689 IPv4 Only
AS133618 Trellian Pty. Limited 3223 Dual-Stack4487 IPv4 Only
AS22612 Namecheap, Inc. 1926 Dual-Stack4133 IPv4 Only
AS40034 Confluence Networks Inc 1318 Dual-Stack3974 IPv4 Only
AS26347 New Dream Network, LLC 797 Dual-Stack3879 IPv4 Only
AS398101 GoDaddy.com, LLC 248 Dual-Stack3845 IPv4 Only
AS198610 Beget LLC 1045 Dual-Stack3793 IPv4 Only
AS61969 Team Internet AG 1986 Dual-Stack3454 IPv4 Only
AS209242 Cloudflare, Inc. 1650 Dual-Stack3424 IPv4 Only
AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 337 Dual-Stack3312 IPv4 Only
AS30148 Sucuri 573 Dual-Stack3144 IPv4 Only
AS19551 Incapsula Inc 430 Dual-Stack3125 IPv4 Only
AS31034 Aruba S.p.A. 107 Dual-Stack2875 IPv4 Only
AS45102 Alibaba (US) Technology Co., Ltd. 635 Dual-Stack2871 IPv4 Only
AS27647 Weebly, Inc. 50 Dual-Stack2716 IPv4 Only
AS34788 D - 02742 Friedersdorf; Hauptstrasse 68 314 Dual-Stack2708 IPv4 Only
AS60781 Netherlands 1205 Dual-Stack2618 IPv4 Only
AS47846 SEDO GmbH 1533 Dual-Stack2578 IPv4 Only
AS131965 Xserver Inc. 111 Dual-Stack2163 IPv4 Only
AS197695 "Domain names registrar REG.RU", Ltd 3281 Dual-Stack2101 IPv4 Only
AS20473 Choopa, LLC 802 Dual-Stack2003 IPv4 Only
AS29182 JSC The First 492 Dual-Stack1796 IPv4 Only

Resources for Going IPv6

If you're responsible for a website and aren't sure why IPv6 is important or would like resources to help make the transition, try these:

  1. IPv6 Training
  2. IPv6 adoption statistics
  3. Is your site IPv6 ready?
  4. World IPv6 Launch