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. 14607 Dual-Stack38308 IPv4 Only
AS2635 Automattic, Inc 319 Dual-Stack26556 IPv4 Only
AS15169 Google LLC 34349 Dual-Stack25128 IPv4 Only
AS16276 OVH SAS 4953 Dual-Stack22957 IPv4 Only
AS14618 Amazon.com, Inc. 5920 Dual-Stack20720 IPv4 Only
AS13335 Cloudflare, Inc. 107433 Dual-Stack20002 IPv4 Only
AS24940 Hetzner Online GmbH 5634 Dual-Stack19952 IPv4 Only
AS46606 Unified Layer 1323 Dual-Stack16415 IPv4 Only
AS26496 GoDaddy.com, LLC 2234 Dual-Stack12298 IPv4 Only
AS14061 DigitalOcean, LLC 3151 Dual-Stack12048 IPv4 Only
AS8075 Microsoft Corporation 1450 Dual-Stack9378 IPv4 Only
AS53831 Squarespace, Inc. 306 Dual-Stack7688 IPv4 Only
AS32244 Liquid Web, L.L.C 3659 Dual-Stack6639 IPv4 Only
AS63949 Linode, LLC 6364 Dual-Stack6396 IPv4 Only
AS8560 Brauerstrasse 48 5371 Dual-Stack5332 IPv4 Only
AS58182 Wix.com Ltd. 225 Dual-Stack4889 IPv4 Only
AS40034 Confluence Networks Inc 1461 Dual-Stack4486 IPv4 Only
AS22612 Namecheap, Inc. 1919 Dual-Stack4441 IPv4 Only
AS398101 GoDaddy.com, LLC 214 Dual-Stack4333 IPv4 Only
AS198610 Beget LLC 811 Dual-Stack4239 IPv4 Only
AS26347 New Dream Network, LLC 818 Dual-Stack4164 IPv4 Only
AS133618 Trellian Pty. Limited 2206 Dual-Stack3961 IPv4 Only
AS54113 Fastly 5350 Dual-Stack3932 IPv4 Only
AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 263 Dual-Stack3564 IPv4 Only
AS19551 Incapsula Inc 421 Dual-Stack3324 IPv4 Only
AS30148 Sucuri 517 Dual-Stack3283 IPv4 Only
AS31034 Aruba S.p.A. 103 Dual-Stack3147 IPv4 Only
AS27647 Weebly, Inc. 38 Dual-Stack2888 IPv4 Only
AS45102 Alibaba (US) Technology Co., Ltd. 441 Dual-Stack2884 IPv4 Only
AS61969 Team Internet AG 1380 Dual-Stack2810 IPv4 Only
AS34788 D - 02742 Friedersdorf; Hauptstrasse 68 237 Dual-Stack2774 IPv4 Only
AS197695 "Domain names registrar REG.RU", Ltd 2624 Dual-Stack2388 IPv4 Only
AS47846 SEDO GmbH 1189 Dual-Stack2344 IPv4 Only
AS60781 Netherlands 480 Dual-Stack2285 IPv4 Only
AS12876 ONLINE S.A.S. 377 Dual-Stack2077 IPv4 Only
AS20473 Choopa, LLC 697 Dual-Stack2031 IPv4 Only
AS29182 JSC The First 461 Dual-Stack1963 IPv4 Only
AS29873 The Endurance International Group, Inc. 86 Dual-Stack1927 IPv4 Only
AS36351 SoftLayer Technologies Inc. 252 Dual-Stack1909 IPv4 Only
AS131965 Xserver Inc. 63 Dual-Stack1906 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