An offline tool for querying IP geographic information and CDN provider. 一个查询IP地理信息和CDN服务提供商的离线终端工具.

IP geolocation databases tool and library. IP 地理位置数据库工具。

🐈️ 纯真数据库 IPIP.net 格式版，Make qqwry.ipdb Great Again!!!

[Multiple Servers] Tunneling methods such as 6to4, GRE6, and IP6IP6, Geneve provide solutions for transmitting IPv6 packets over existing IPv4 or IPv6 networks. These methods allow communication between networks that use different IP versions.

Another nginx http geoip module by ipdb

The original DVMRP (dynamic multicast routing) implementation for UNIX

nginx http module for ipip.net

Self-build IPv6-in-IPv4 Tunnel Server --- 自建IPv6-in-IPv4隧道服务器

Decapsulate traffic encapsulated within GRE, IPIP, 6in4, ESP (ipsec) protocols, can also remove IEEE 802.1Q (virtual lan) header. Works with pcap files.

A neat packet processing/forwarding program I made for a gaming community I used to be a part of. Includes many features.

TC programs aimed to add support for multiple remote hosts in IPIP tunnels.

Userland IPIP + IP6IP (6in4) / IPIP6 + IP6IP6 tunnel for Linux

Sends outgoing IPIP packets back to the client directly instead of back through the IPIP tunnel/forwarding server. Uses TC egress filter for fast packet processing.

Auth extension and configuration utility for IPIP-over-UDP: Lightweight non-encrypted low-overhead L3 IPv4 tunnel natively supported by Linux

🔩 An oh-my-zsh plugin for IPIP

ipip.net, qqwry ip database query library

ipstatistics is a script based on the ipip library that is used to quickly filter the ip list.

A simple TC Ingress program that blocks incoming packets based off of the inner IP header's source IP.

TC programs made for wrapping and unwrapping marked FOU-encapped packets. Being used for Compressor V2

Simple IPIP Forwarding program made with AF_PACKET sockets.