🌚 🌍 🌝 GeoIP 规则文件加强版，同时支持定制 V2Ray dat 格式路由规则文件 geoip.dat 和 MaxMind mmdb 格式文件 Country.mmdb。Enhanced edition of GeoIP files for V2Ray, Xray-core, Clash, Trojan-Go, Leaf and Hysteria, with replaced CN IPv4 CIDR available from ipip.net, appended CIDR lists and more.

A modern, scalable, robust DHCPv4 and DHCPv6 server, with database (MySQL, PostgreSQL), hooks, multi-threading, RADIUS, NETCONF, Kerberos and more.

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

radvd | Official repository: https://github.com/radvd-project/radvd

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

A library for working with IP addresses and networks in Go

High-performance match IP address for Nginx + Lua

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

IPv4 and IPv6 traceroute fake hop generator through IP spoofing

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

IP Address utility classes for PHP

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

ipv6calc

IPv6 prefix generator

A system administration related project

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

IPv6-adresse.dk source & data

中国大陆IPv6地址库（北京时间每日6:00自动构建）

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