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. 27741 Dual-Stack51316 IPv4 Only
AS2635 Automattic, Inc 484 Dual-Stack26328 IPv4 Only
AS13335 Cloudflare, Inc. 122009 Dual-Stack20597 IPv4 Only
AS16276 OVH SAS 6136 Dual-Stack18770 IPv4 Only
AS14618 Amazon.com, Inc. 6506 Dual-Stack18385 IPv4 Only
AS24940 Hetzner Online GmbH 6745 Dual-Stack16903 IPv4 Only
AS396982 Google LLC 4140 Dual-Stack13203 IPv4 Only
AS46606 Unified Layer 1153 Dual-Stack10433 IPv4 Only
AS14061 DigitalOcean, LLC 3198 Dual-Stack10170 IPv4 Only
AS8075 Microsoft Corporation 2218 Dual-Stack8895 IPv4 Only
AS15169 Google LLC 31308 Dual-Stack8722 IPv4 Only
AS32244 Liquid Web, L.L.C 6873 Dual-Stack7423 IPv4 Only
AS53831 Squarespace, Inc. 467 Dual-Stack7271 IPv4 Only
AS26496 GoDaddy.com, LLC 902 Dual-Stack6001 IPv4 Only
AS133618 Trellian Pty. Limited 4345 Dual-Stack5496 IPv4 Only
AS63949 Linode, LLC 2727 Dual-Stack5254 IPv4 Only
AS19871 Network Solutions, LLC 680 Dual-Stack5054 IPv4 Only
AS58182 Wix.com Ltd. 440 Dual-Stack4825 IPv4 Only
AS54113 Fastly 5757 Dual-Stack4783 IPv4 Only
AS209242 Cloudflare, Inc. 2139 Dual-Stack4602 IPv4 Only
AS8560 Brauerstrasse 48 5611 Dual-Stack4579 IPv4 Only
AS22612 Namecheap, Inc. 1994 Dual-Stack4023 IPv4 Only
AS40034 Confluence Networks Inc 1311 Dual-Stack3782 IPv4 Only
AS398101 GoDaddy.com, LLC 261 Dual-Stack3778 IPv4 Only
AS26347 New Dream Network, LLC 761 Dual-Stack3654 IPv4 Only
AS198610 Beget LLC 1104 Dual-Stack3608 IPv4 Only
AS61969 Team Internet AG 1973 Dual-Stack3404 IPv4 Only
AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 374 Dual-Stack3147 IPv4 Only
AS30148 Sucuri 596 Dual-Stack2987 IPv4 Only
AS19551 Incapsula Inc 442 Dual-Stack2985 IPv4 Only
AS45102 Alibaba (US) Technology Co., Ltd. 624 Dual-Stack2794 IPv4 Only
AS31034 Aruba S.p.A. 126 Dual-Stack2758 IPv4 Only
AS34788 D - 02742 Friedersdorf; Hauptstrasse 68 355 Dual-Stack2667 IPv4 Only
AS27647 Weebly, Inc. 55 Dual-Stack2631 IPv4 Only
AS47846 SEDO GmbH 1582 Dual-Stack2572 IPv4 Only
AS131965 Xserver Inc. 118 Dual-Stack2172 IPv4 Only
AS60781 Netherlands 802 Dual-Stack2026 IPv4 Only
AS197695 "Domain names registrar REG.RU", Ltd 3330 Dual-Stack1923 IPv4 Only
AS20473 Choopa, LLC 950 Dual-Stack1913 IPv4 Only
AS29182 JSC The First 582 Dual-Stack1732 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