IPv6 Tools Online for Network Engineers

Here are some useful tools for network engineers to look up IPv6 information—all freely available online.

IPv6 Subnet Calculator

IPv6 Subnet Calculator (SubnettingPractice)

IPv6 Subnet Calculator (Zoho ManageEngine Site24x7)

IPv6 DNS Lookup

IPv6 DNS Lookup (webdnstools)

IPv6 Lookup (dnslookup.online)

DNS Lookup IPv6 (MXToolBox)

IPv6 DNS Servers

Google

2001:4860:4860::8888
2001:4860:4860::8844

Cloudflare

2606:4700:4700::1111
2606:4700:4700::1001
Use these if you just want standard DNS resolution.

If you’d like built-in malware filtering, use the following:

2606:4700:4700::1112
2606:4700:4700::1002

For malware filtering and blocking adult content, use these:

2606:4700:4700::1113
2606:4700:4700::1003

Open DNS

2620:0:ccc::2
2620:0:ccd::2

If you want to use IPv6 DNS with filtering to help protect your devices, you’ll need to use the following:

2620:119:35::35
2620:119:53::53

IPv6 settings for your device

Configure your network settings to use Google Public DNS

Test your IPv6 connectivity

Test your IPv6.

References

IPv6 - Wikipedia
Google IPv6 adoption Statistics
How to convert a MAC address into an IPv6 link-local address (EUI-64)

Links

Online Network Tools for Network Engineers | AnalysisMan