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. 30214 Dual-Stack54647 IPv4 Only
AS2635 Automattic, Inc 528 Dual-Stack26323 IPv4 Only
AS13335 Cloudflare, Inc. 125919 Dual-Stack21040 IPv4 Only
AS16276 OVH SAS 6158 Dual-Stack18067 IPv4 Only
AS14618 Amazon.com, Inc. 6843 Dual-Stack18036 IPv4 Only
AS24940 Hetzner Online GmbH 6990 Dual-Stack16382 IPv4 Only
AS396982 Google LLC 4463 Dual-Stack12230 IPv4 Only
AS46606 Unified Layer 1123 Dual-Stack9986 IPv4 Only
AS14061 DigitalOcean, LLC 3166 Dual-Stack9840 IPv4 Only
AS8075 Microsoft Corporation 2684 Dual-Stack8771 IPv4 Only
AS32244 Liquid Web, L.L.C 6939 Dual-Stack7557 IPv4 Only
AS53831 Squarespace, Inc. 520 Dual-Stack7225 IPv4 Only
AS15169 Google LLC 30215 Dual-Stack6739 IPv4 Only
AS133618 Trellian Pty. Limited 5492 Dual-Stack6409 IPv4 Only
AS63949 Linode, LLC 2963 Dual-Stack5123 IPv4 Only
AS209242 Cloudflare, Inc. 2448 Dual-Stack5111 IPv4 Only
AS19871 Network Solutions, LLC 686 Dual-Stack4872 IPv4 Only
AS58182 Wix.com Ltd. 504 Dual-Stack4843 IPv4 Only
AS54113 Fastly 6374 Dual-Stack4782 IPv4 Only
AS26496 GoDaddy.com, LLC 844 Dual-Stack4494 IPv4 Only
AS8560 Brauerstrasse 48 5657 Dual-Stack4454 IPv4 Only
AS398101 GoDaddy.com, LLC 345 Dual-Stack4141 IPv4 Only
AS22612 Namecheap, Inc. 2073 Dual-Stack4012 IPv4 Only
AS40034 Confluence Networks Inc 1367 Dual-Stack3777 IPv4 Only
AS26347 New Dream Network, LLC 762 Dual-Stack3543 IPv4 Only
AS198610 Beget LLC 1112 Dual-Stack3448 IPv4 Only
AS61969 Team Internet AG 1851 Dual-Stack3219 IPv4 Only
AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 407 Dual-Stack3103 IPv4 Only
AS19551 Incapsula Inc 443 Dual-Stack2917 IPv4 Only
AS30148 Sucuri 583 Dual-Stack2886 IPv4 Only
AS31034 Aruba S.p.A. 134 Dual-Stack2781 IPv4 Only
AS47846 SEDO GmbH 1746 Dual-Stack2766 IPv4 Only
AS45102 Alibaba (US) Technology Co., Ltd. 619 Dual-Stack2710 IPv4 Only
AS34788 D - 02742 Friedersdorf; Hauptstrasse 68 393 Dual-Stack2647 IPv4 Only
AS27647 Weebly, Inc. 53 Dual-Stack2576 IPv4 Only
AS131965 Xserver Inc. 126 Dual-Stack2165 IPv4 Only
AS20473 Choopa, LLC 1016 Dual-Stack1913 IPv4 Only
AS60781 Netherlands 652 Dual-Stack1845 IPv4 Only
AS197695 "Domain names registrar REG.RU", Ltd 3466 Dual-Stack1836 IPv4 Only
AS29182 JSC The First 591 Dual-Stack1699 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