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. 25582 Dual-Stack49619 IPv4 Only
AS2635 Automattic, Inc 508 Dual-Stack26383 IPv4 Only
AS13335 Cloudflare, Inc. 119247 Dual-Stack20391 IPv4 Only
AS16276 OVH SAS 5723 Dual-Stack19520 IPv4 Only
AS14618 Amazon.com, Inc. 6397 Dual-Stack18548 IPv4 Only
AS24940 Hetzner Online GmbH 6552 Dual-Stack17283 IPv4 Only
AS396982 Google LLC 4324 Dual-Stack13821 IPv4 Only
AS46606 Unified Layer 1175 Dual-Stack10744 IPv4 Only
AS14061 DigitalOcean, LLC 3233 Dual-Stack10438 IPv4 Only
AS15169 Google LLC 31428 Dual-Stack9198 IPv4 Only
AS8075 Microsoft Corporation 2354 Dual-Stack9063 IPv4 Only
AS32244 Liquid Web, L.L.C 7375 Dual-Stack7506 IPv4 Only
AS53831 Squarespace, Inc. 441 Dual-Stack7342 IPv4 Only
AS26496 GoDaddy.com, LLC 951 Dual-Stack6706 IPv4 Only
AS133618 Trellian Pty. Limited 4694 Dual-Stack5763 IPv4 Only
AS63949 Linode, LLC 2663 Dual-Stack5316 IPv4 Only
AS19871 Network Solutions, LLC 680 Dual-Stack5204 IPv4 Only
AS58182 Wix.com Ltd. 389 Dual-Stack4840 IPv4 Only
AS54113 Fastly 5812 Dual-Stack4769 IPv4 Only
AS8560 Brauerstrasse 48 5578 Dual-Stack4709 IPv4 Only
AS22612 Namecheap, Inc. 1958 Dual-Stack4070 IPv4 Only
AS209242 Cloudflare, Inc. 1952 Dual-Stack3982 IPv4 Only
AS40034 Confluence Networks Inc 1330 Dual-Stack3828 IPv4 Only
AS26347 New Dream Network, LLC 780 Dual-Stack3746 IPv4 Only
AS198610 Beget LLC 1092 Dual-Stack3703 IPv4 Only
AS398101 GoDaddy.com, LLC 266 Dual-Stack3692 IPv4 Only
AS61969 Team Internet AG 2011 Dual-Stack3498 IPv4 Only
AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 361 Dual-Stack3241 IPv4 Only
AS19551 Incapsula Inc 442 Dual-Stack3076 IPv4 Only
AS30148 Sucuri 607 Dual-Stack3074 IPv4 Only
AS45102 Alibaba (US) Technology Co., Ltd. 629 Dual-Stack2860 IPv4 Only
AS31034 Aruba S.p.A. 119 Dual-Stack2792 IPv4 Only
AS34788 D - 02742 Friedersdorf; Hauptstrasse 68 331 Dual-Stack2690 IPv4 Only
AS27647 Weebly, Inc. 51 Dual-Stack2665 IPv4 Only
AS47846 SEDO GmbH 1571 Dual-Stack2503 IPv4 Only
AS131965 Xserver Inc. 110 Dual-Stack2169 IPv4 Only
AS60781 Netherlands 724 Dual-Stack2009 IPv4 Only
AS197695 "Domain names registrar REG.RU", Ltd 3307 Dual-Stack1992 IPv4 Only
AS20473 Choopa, LLC 809 Dual-Stack1970 IPv4 Only
AS29182 JSC The First 543 Dual-Stack1762 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