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. 20263 Dual-Stack45363 IPv4 Only
AS2635 Automattic, Inc 394 Dual-Stack26497 IPv4 Only
AS16276 OVH SAS 5293 Dual-Stack21677 IPv4 Only
AS13335 Cloudflare, Inc. 112947 Dual-Stack20240 IPv4 Only
AS14618 Amazon.com, Inc. 6078 Dual-Stack18612 IPv4 Only
AS24940 Hetzner Online GmbH 5839 Dual-Stack18422 IPv4 Only
AS46606 Unified Layer 1444 Dual-Stack15761 IPv4 Only
AS396982 Google LLC 2943 Dual-Stack13939 IPv4 Only
AS15169 Google LLC 32441 Dual-Stack11838 IPv4 Only
AS14061 DigitalOcean, LLC 3262 Dual-Stack11364 IPv4 Only
AS8075 Microsoft Corporation 1717 Dual-Stack9268 IPv4 Only
AS26496 GoDaddy.com, LLC 1095 Dual-Stack8911 IPv4 Only
AS53831 Squarespace, Inc. 362 Dual-Stack7567 IPv4 Only
AS32244 Liquid Web, L.L.C 5456 Dual-Stack7503 IPv4 Only
AS63949 Linode, LLC 5063 Dual-Stack5855 IPv4 Only
AS8560 Brauerstrasse 48 5537 Dual-Stack5035 IPv4 Only
AS58182 Wix.com Ltd. 270 Dual-Stack4781 IPv4 Only
AS54113 Fastly 5550 Dual-Stack4414 IPv4 Only
AS40034 Confluence Networks Inc 1474 Dual-Stack4297 IPv4 Only
AS22612 Namecheap, Inc. 1958 Dual-Stack4231 IPv4 Only
AS198610 Beget LLC 951 Dual-Stack4069 IPv4 Only
AS398101 GoDaddy.com, LLC 225 Dual-Stack4021 IPv4 Only
AS26347 New Dream Network, LLC 825 Dual-Stack4008 IPv4 Only
AS133618 Trellian Pty. Limited 2428 Dual-Stack3908 IPv4 Only
AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 302 Dual-Stack3430 IPv4 Only
AS61969 Team Internet AG 1778 Dual-Stack3250 IPv4 Only
AS30148 Sucuri 536 Dual-Stack3248 IPv4 Only
AS19551 Incapsula Inc 432 Dual-Stack3196 IPv4 Only
AS31034 Aruba S.p.A. 113 Dual-Stack2997 IPv4 Only
AS27647 Weebly, Inc. 44 Dual-Stack2799 IPv4 Only
AS45102 Alibaba (US) Technology Co., Ltd. 519 Dual-Stack2797 IPv4 Only
AS34788 D - 02742 Friedersdorf; Hauptstrasse 68 270 Dual-Stack2739 IPv4 Only
AS47846 SEDO GmbH 1172 Dual-Stack2359 IPv4 Only
AS197695 "Domain names registrar REG.RU", Ltd 3035 Dual-Stack2277 IPv4 Only
AS60781 Netherlands 742 Dual-Stack2198 IPv4 Only
AS131965 Xserver Inc. 89 Dual-Stack2170 IPv4 Only
AS20473 Choopa, LLC 746 Dual-Stack2012 IPv4 Only
AS29182 JSC The First 448 Dual-Stack1903 IPv4 Only
AS29873 The Endurance International Group, Inc. 98 Dual-Stack1791 IPv4 Only
AS12876 ONLINE S.A.S. 346 Dual-Stack1712 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