# 6to4

> protocol for tunneling IPv6 over existing IPv4 networks, with each client connecting to a particular server and receiving a subnet from 2002::/16

**Wikidata**: [Q16411](https://www.wikidata.org/wiki/Q16411)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/6to4)  
**Source**: https://4ort.xyz/entity/6to4


## References

1. Freebase Data Dumps. 2013
2. BabelNet
3. [IPv6 Global Unicast Address Assignments. Internet Assigned Numbers Authority](https://www.iana.org/assignments/ipv6-unicast-address-assignments/ipv6-unicast-address-assignments.xhtml)
4. [IANA IPv6 Special-Purpose Address Registry. Internet Assigned Numbers Authority](https://www.iana.org/assignments/iana-ipv6-special-registry/iana-ipv6-special-registry.xhtml)