Additional Internet Protocol version 6 (IPv6) websites are categorized as:

General Information
Deployment information
Recent News.

General information

Here are some websites with general information:

Internet SOCiety (ISOC) Where do I start? (additional websites also offered by this site) 
Internet Corporation for Assigned Names and Numbers (ICANN) At-Large Community IPv6 FAQ
ICANN Articles related to IPv6 (listing of articles)
Internet Protocol Address Management (IPAM) Worldwide
National Telecommunications and Information Administration (NTIA) website
International Telecommunication Union (ITU) website

Each of the world’s five Regional Internet Registries (RIRs) has many articles about IPv6 on their website and most have an IPv6 FAQ.

African Network Information Center (AfriNIC) IPv6 articles (AfriNIC) and an IPv6 FAQ
Asia Pacific Network Information Center (APNIC) IPv6 articles and an IPv6 FAQ
American Registry for Internet Numbers (ARIN) IPv6 articles and an IPv6 FAQ
Latin American and Caribbean Internet Address Registry (LACNIC) IPv6 articles and an IPv6 FAQ
Réseaux IP Européens Network Coordination Centre (RIPE NCC) IPv6 articles but no IPv6 FAQ.

along with the RIR’s umbrella Numer Resource Organization (NRO) which has many IPv6 articles and an IPv6 FAQ.

Deployment information

Here are some knowledge base websites:

Cisco Systems IPv6 Knowledge Base (The site is no longer active, but a copy was archived in 2017)
Google IPv6 Knowledge Base (narrow left-hand column and wide right-hand column scroll independently)
Infoblox IPv6 Cener of Excellence (scroll down to view the four phases: IPv6, Planning, Connecting, and Internal Adoption. The site is no longer active, but a copy was archived in May 2021.)
Juniper Networks Knowledge Center
Linux IPv6 HOWTO

Here are some websites with additional deployment information:

APNIC IPv6 deployment site
ARIN IPv6 wiki
Hogg Networking by Scott Hogg (numerous documents, presentations, and a blog)
IPv6 Framework for European Governments
Microsoft IPv6 Survival Guide
SI6 Networks Publications and Presentations

Recent News

These are just a few of many IPv6 news websites:

Number Research Organization (NRO)
CircleID IPv6 (blog)
Infoblox Blogs IPv6 Center of Excellence (blog)
Microsoft Q&A (forum)

Return to the IPv6 and IoT: FAQ page.