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. 18557 Dual-Stack43919 IPv4 Only
AS2635 Automattic, Inc 351 Dual-Stack26552 IPv4 Only
AS16276 OVH SAS 4952 Dual-Stack22435 IPv4 Only
AS15169 Google LLC 33761 Dual-Stack22290 IPv4 Only
AS13335 Cloudflare, Inc. 109135 Dual-Stack20099 IPv4 Only
AS24940 Hetzner Online GmbH 5672 Dual-Stack19461 IPv4 Only
AS14618 Amazon.com, Inc. 5689 Dual-Stack18990 IPv4 Only
AS46606 Unified Layer 1299 Dual-Stack15838 IPv4 Only
AS14061 DigitalOcean, LLC 3158 Dual-Stack11878 IPv4 Only
AS26496 GoDaddy.com, LLC 1174 Dual-Stack9794 IPv4 Only
AS8075 Microsoft Corporation 1538 Dual-Stack9264 IPv4 Only
AS53831 Squarespace, Inc. 327 Dual-Stack7668 IPv4 Only
AS32244 Liquid Web, L.L.C 3936 Dual-Stack6953 IPv4 Only
AS63949 Linode, LLC 5981 Dual-Stack6266 IPv4 Only
AS8560 Brauerstrasse 48 5421 Dual-Stack5247 IPv4 Only
AS58182 Wix.com Ltd. 238 Dual-Stack4818 IPv4 Only
AS40034 Confluence Networks Inc 1502 Dual-Stack4523 IPv4 Only
AS133618 Trellian Pty. Limited 2541 Dual-Stack4362 IPv4 Only
AS22612 Namecheap, Inc. 1922 Dual-Stack4361 IPv4 Only
AS198610 Beget LLC 826 Dual-Stack4197 IPv4 Only
AS26347 New Dream Network, LLC 816 Dual-Stack4114 IPv4 Only
AS54113 Fastly 5433 Dual-Stack4006 IPv4 Only
AS398101 GoDaddy.com, LLC 178 Dual-Stack3761 IPv4 Only
AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 275 Dual-Stack3529 IPv4 Only
AS19551 Incapsula Inc 430 Dual-Stack3251 IPv4 Only
AS30148 Sucuri 520 Dual-Stack3245 IPv4 Only
AS396982 Google LLC 915 Dual-Stack3229 IPv4 Only
AS31034 Aruba S.p.A. 107 Dual-Stack3101 IPv4 Only
AS61969 Team Internet AG 1620 Dual-Stack2967 IPv4 Only
AS27647 Weebly, Inc. 37 Dual-Stack2846 IPv4 Only
AS45102 Alibaba (US) Technology Co., Ltd. 445 Dual-Stack2810 IPv4 Only
AS34788 D - 02742 Friedersdorf; Hauptstrasse 68 247 Dual-Stack2763 IPv4 Only
AS197695 "Domain names registrar REG.RU", Ltd 2771 Dual-Stack2356 IPv4 Only
AS60781 Netherlands 624 Dual-Stack2284 IPv4 Only
AS47846 SEDO GmbH 1188 Dual-Stack2233 IPv4 Only
AS131965 Xserver Inc. 76 Dual-Stack2161 IPv4 Only
AS20473 Choopa, LLC 723 Dual-Stack2040 IPv4 Only
AS12876 ONLINE S.A.S. 376 Dual-Stack1972 IPv4 Only
AS29182 JSC The First 473 Dual-Stack1920 IPv4 Only
AS29873 The Endurance International Group, Inc. 93 Dual-Stack1879 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