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. 21700 Dual-Stack46250 IPv4 Only
AS2635 Automattic, Inc 422 Dual-Stack26450 IPv4 Only
AS16276 OVH SAS 5523 Dual-Stack21338 IPv4 Only
AS13335 Cloudflare, Inc. 114755 Dual-Stack20246 IPv4 Only
AS14618 Amazon.com, Inc. 6099 Dual-Stack18392 IPv4 Only
AS24940 Hetzner Online GmbH 6040 Dual-Stack18054 IPv4 Only
AS46606 Unified Layer 1384 Dual-Stack14312 IPv4 Only
AS396982 Google LLC 3999 Dual-Stack13690 IPv4 Only
AS15169 Google LLC 31433 Dual-Stack10872 IPv4 Only
AS14061 DigitalOcean, LLC 2994 Dual-Stack10863 IPv4 Only
AS8075 Microsoft Corporation 1845 Dual-Stack9274 IPv4 Only
AS26496 GoDaddy.com, LLC 1048 Dual-Stack8291 IPv4 Only
AS53831 Squarespace, Inc. 384 Dual-Stack7536 IPv4 Only
AS32244 Liquid Web, L.L.C 5349 Dual-Stack7216 IPv4 Only
AS63949 Linode, LLC 4639 Dual-Stack5707 IPv4 Only
AS8560 Brauerstrasse 48 5546 Dual-Stack4937 IPv4 Only
AS58182 Wix.com Ltd. 285 Dual-Stack4735 IPv4 Only
AS133618 Trellian Pty. Limited 3075 Dual-Stack4609 IPv4 Only
AS54113 Fastly 5615 Dual-Stack4568 IPv4 Only
AS40034 Confluence Networks Inc 1422 Dual-Stack4172 IPv4 Only
AS22612 Namecheap, Inc. 1940 Dual-Stack4166 IPv4 Only
AS398101 GoDaddy.com, LLC 246 Dual-Stack4120 IPv4 Only
AS198610 Beget LLC 975 Dual-Stack3948 IPv4 Only
AS26347 New Dream Network, LLC 807 Dual-Stack3936 IPv4 Only
AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 307 Dual-Stack3385 IPv4 Only
AS30148 Sucuri 560 Dual-Stack3196 IPv4 Only
AS19551 Incapsula Inc 448 Dual-Stack3160 IPv4 Only
AS61969 Team Internet AG 1753 Dual-Stack3057 IPv4 Only
AS31034 Aruba S.p.A. 112 Dual-Stack2946 IPv4 Only
AS45102 Alibaba (US) Technology Co., Ltd. 597 Dual-Stack2868 IPv4 Only
AS27647 Weebly, Inc. 44 Dual-Stack2761 IPv4 Only
AS34788 D - 02742 Friedersdorf; Hauptstrasse 68 282 Dual-Stack2724 IPv4 Only
AS47846 SEDO GmbH 1318 Dual-Stack2417 IPv4 Only
AS60781 Netherlands 885 Dual-Stack2369 IPv4 Only
AS197695 "Domain names registrar REG.RU", Ltd 3131 Dual-Stack2188 IPv4 Only
AS131965 Xserver Inc. 98 Dual-Stack2160 IPv4 Only
AS209242 Cloudflare, Inc. 1285 Dual-Stack2073 IPv4 Only
AS19871 Network Solutions, LLC 247 Dual-Stack2050 IPv4 Only
AS20473 Choopa, LLC 742 Dual-Stack2006 IPv4 Only
AS29182 JSC The First 461 Dual-Stack1822 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