ipv6-address

Ip2region is an offline IP-to-Region localization library and IP data management framework with both IPv4 and IPv6 supports, 10-microsecond level query efficiency, xdb search client for many programming languages

A modern, scalable, robust DHCPv4 and DHCPv6 server.

Java library for handling IP addresses and subnets, both IPv4 and IPv6

Collecting Tor Bridges.

IPv6 address rate limiting evasion tool (that also supports IPv4)

radvd: IPv6 Router Advertisement Daemon

IP/IPv6 to region on Node.js （IP/IPv6 地址到区域运营商）

A library for working with IP addresses and networks in Go

IPv4 and IPv6 traceroute fake hop generator through IP spoofing

High-performance match IP address for Nginx + Lua

Go library for handling IP addresses and subnets, both IPv4 and IPv6

Utility to convert IPv6 addresses to and from a user friendly word based format

IP Address utility classes for PHP

ipv6calc

IPv6 Subnet Calculator / Tool application helps you plan/subnet your assigned IPv6 address for all 128 bits.

Fast Java library for working with IP addresses, ranges, and subnets

IPv6 prefix generator

A browser extension, which shows you the origin of your IP address.

中国大陆IPv6地址库（北京时间每日6:00自动构建）