Test your IPv6 connectivity.
JavaScript Required
This site requires JavaScript, as well as the ability to pull in cross-site scripts, in order to perform the testing.
If this message does not go away, it means that JavaScript has been disabled, either by a plugin or extension in your browser, or by explicit browser setting.
Do you use NoScript?
If you use this Firefox add-on, you'll need to "Temporarily allow all this page". You will need to do this twice for everything to work. Alternately, disable NoScript entirely until you are done with this site.
You can opt instead to view the , which will give you a quick pass/fail for IPv4, IPv4+IPv6, and IPv6. It will however offer little diagnostic information.
Test with IPv4 DNS record
Test with IPv6 DNS record
Test with Dual Stack DNS record
Test for Dual Stack DNS and large packet
Test IPv4 without DNS
Test IPv6 without DNS
Test IPv6 large packet
Test if your ISP's DNS server uses IPv6
Find IPv4 Service Provider
Find IPv6 Service Provider
Click to see
Test with IPv4 DNS record
Fetches an object that has just an A record in DNS. This is expected to use IPv4. IPv6-only users might still reach this, if their provider has employed a NAT64/DNS64 or proxy solution.
Test with IPv6 DNS record
Fetches an object that has just an AAAA record in DNS. This is expected to use IPv6. Users not yet on the IPv6 Internet are likely to see this fail. As long as it fails quickly, it will be OK - for now.
Test with Dual Stack DNS record
This is the most important test. This verifies your browser can connect to a site that has both IPv4 and IPv6 records published. IPv4 only hosts should connect fine (using IPv4).
If this test fails or times out, you can expect major problems as publishers start offering their sites on IPv6.
Test for Dual Stack DNS and large packet
Validates that you can connect to a dual-stack server (like the ds test); and that you can send/receive large packets on that connection. If this test times out for any reason, it indicates trouble for World IPv6 Day.
Test IPv4 without DNS
This will try connecting with a literal IPv4 numeric address. This should work for most people, unless they are running IPv6-only. If the first test worked, but this fails, it likely confirms your provider is using NAT64/DNS64; you'll need to only try connecting using hostnames instead of numeric IP addresses.
Test IPv6 without DNS
This will try connecting with a literal IPv6 hexadecimal address. The primary purpose of this test is to separate out your connectivity on IPv6 from your ability to fetch DNS for it. A secondary purpose is to see if you have T some systems may only use Teredo when an IPv6 address is in the URL.
Test IPv6 large packet
Validates that IPv6 requests with large packets work. If this test times out, but other IPv6 tests work, it suggests that there may be PMTUD possibly involving IP tunnels.
Double check to make sure that ICMPv6 Type 2 ("Packet Too Big") messages are not filtered by your firewall.
Test if your ISP's DNS server uses IPv6
(This is bonus credit)
This is a test of your ISP's resolver (instead of a test of your host). If this test passes, your DNS server (often run by your ISP) is capable of reaching IPV6-only DNS authoritative servers on the Internet. This is not critical (at this time) for you to reach sites via IPv6.
Find IPv4 Service Provider
Attempts to identify what Internet Service Provider you use for IPv4. This may be different from the marketing name you see
or may reflect a previous company name. The name shown reflects how it is known in the network operator community.
Find IPv6 Service Provider
Attempts to identify what Internet Service Provider you use for IPv6. When the IPv4 name and the IPv6 name don't match, it may suggest that you' or some form of third party provider for IPv6.
If the summary results indicated problems, you (or your technical support) may be able to use the information above to diagnose the issues. Each of the test urls and their results is shown on the left side. To the right you'll see a description of what that URL was designed to test.
Click to see
If reporting a problem with the test, or requesting help with your results, please fill out all requested information to the best of your ability. If leaving general comments, use your best judgement on how much to report.
Help desk information will follow once the test completes.
More information about this page, including how to bookmark it:
On most computers, you can right-click the above URL, and select 'Copy'.
Hint: Columns are sortable (click the first row);
to re-check reachability from where you are to those mirrors.
(generated by javascript)
It is real easy to get added to this list for basic checks. Just provide two image URLs (one IPv4- one IPv6-only), to Jason Fesler &&. Also send your general web site address and organization name.
Full mirrors are welcomed and appreciated, whether public or private. Please see
for details.
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Jason Fesler. All rights reserved.
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近日，我国下一代互联网国家工程中心下属全球IPv6测试中心（www.ipv6ready.org.cn）发布《2017 IPv6支持度报告》，对全球范围内的IPv6网络设备、终端、应用、网站等支持度情况进行测试、更新和分析。报告显示，整个产业已经做好全面接入IPv6的准备，支持范围涵盖网络设备、终端产品和各类应用。其中网络设备和终端产品的IPv6支持度最高，全球已有2137款/系列网络设备通过IPv6 Ready Logo认证，90%以上的终端操作系统支持IPv6。此外，小部分基础应用已经可以接入IPv6，能够满足基本使用需求。目前Alexa全球排名前50的网站IPV6支持率为42%，我国排名前50的网站里仅1家支持稳定的IPv6访问。
网络设备IPv6支持度极高，已做好全面接入准备
随着全球范围内的IPv6快速部署，网络设备主流厂家近年来已经发布了大量的IPv6产品，类型丰富，基本涵盖原有IPv4产品（包括路由器、交换机、接入服务器、防火墙、VPN网关、域名服务器等），能够满足商用部署需求。
据IPv6 Ready Logo测试认证数据显示，截至2017年10月，全球已有2137款/系列设备通过IPv6 Ready Logo Phrase-2认证，并且呈稳定增长趋势。在获得IPv6 Ready Logo的设备中，我国路由器、交换机、防火墙、网关等设备遥遥领先其他类型的产品，相比于其他网络设备大户如美国、韩国、日本，中国在路由器、交换机、安全设备等设备较多，超过70%，其他设备类型，特别是终端设备方面的申请相对较少。
终端设备基本支持IPv6，家庭网关成阻碍发展的最后一道关卡
谁能率先在IPv6方面有所作为，谁就能够在未来的竞争中占据有利地位。从硬件层面上看，近两三年来推出的手机和PC等终端产品基本都已完全支持IPv6。而操作系统作为各种应用的基础，是支持IPv6至关重要的环节，因此，全球IPv6测试中心对当下30种常见操作系统版本进行测试，结果显示，包括手机、PC和服务器在内的常用操作系统基本都能够适用IPv6，支持率高达90%。
在参与测试的30种常见操作系统版本之中，Android 4.2、iOS 4.1、Windows Phone 6.5、Symbian 7.0等手机系统版本及之后推出的新版本都已经支持IPv6；个人PC计算机常用的微软Windows系列、苹果Mac OS X以及Linux等操作系统全部支持IPv6，并且微软Windows和Redhat的Linux内核操作系统大部分还通过了IPv6 Ready Logo测试认证，更加强有力地证明了IPv6接入能力。
虽然操作系统的IPv6支持度整体较高，但是在具体功能和实现方式上，不同操作系统间还存在较大差异，默认安装IPv6协议栈的操作系统比例在75%左右，DHCPv6（IPv6动态主机配置协议）支持度在65%左右，ND RDNSS（递归DNS服务器自动发现）则稍低一些，约为50%。
相比之下，家庭网关CE设备的支持情况则稍显落后，作为IPv6 Ready Logo 下的一个扩展测试项目，全球仅有17款来自美国网件、中兴、博通等企业的CE设备通过了IPv6 Ready Logo CE Router认证。运营商虽然很早就开始执行严格的网络设备采购需求，强制要求网络设备都支持IPv6, 但从测试结果来看，市面上用户自己采购的CE（家庭网关、无线路由等）设备却大都不支持IPv6，成为家庭用户接入IPv6最后一公里的关键所在。
多类型PC应用支持IPv6，可满足基本使用需求
《2017 IPv6支持度报告》中还体现出由于IPv4的广泛存在，目前IPv6-Only网络还比较少，只有小部分应用能在支持IPv4的同时也支持IPv6。不过，必须要指出的是，虽然应用软件对IPv6的整体支持度并不高，但确实已经可以满足普通用户的基本需求。
部分支持IPv6的主流PC应用软件
海外网站IPv6支持度高 中国前50网站仅1家支持
当前，支持IPv6的网站正在不断增加，包括Google、Facebook、雅虎、微软Bing等网站现已提供永久IPv6访问服务。为鼓励更多的应用和服务支持IPv6，全球IPv6测试中心设计开发了IPv6 Enabled Logo认证。统计数据显示，从2009年4月该项目发布开始到2017年10月，全球已有2550个网站通过测试并获得IPv6 Enabled Logo认证。
全球IPv6测试中心监测数据也表明，Alexa全球排名前50的网站IPv6支持率为42%，谷歌、维基百科、雅虎等网站都可以通过IPv6稳定访问；相比之下，我国网站大部分都没有接入IPv6，排名前50的网站里仅腾讯网1家有稳定的IPv6访问地址。
下一代互联网国家工程中心下属全球IPv6测试中心从终端、网络、应用等不同层次对IPv6支持度进行了全面的测试分析，从《2017 IPv6支持度报告》中来看，网络设备、终端设备以及操作系统等的IPv6支持度较好；应用方面由于IPv4的长期存在，还需要加大升级力度，以促进IPv6的大规模推广与应用，尤其是各类网站，需要加快接入IPv6的脚步。产业链同仁也应多重视这些短板，共同促进IPv6快速平滑过渡，迎接万物互联的智能化时代到来。
下一代互联网以IPv6为基本特征，但IPv6并不是下一代互联网的全部，而只是下一代互联网的起点。以拥有庞大地址空间的IPv6为技术基础，在新的技术平台上不断加入新的思想和元素，通过创新和突破，解决重大技术挑战，下一代互联网必将演进和发展得更加智能化，一个广阔的市场也必将全面打开。
免费获取完整版《IPv6网络发展报告》，请点击以下链接：
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