Open dataset: proxy IP pricing, protocols, coverage and official registration links (China market, 18 providers, updated monthly)

Zero-dependency CLI and library: look up an IP's ASN, ISP, country and network type (residential vs hosting vs proxy). No API key required.

Python port of proxy-ip-check: identify an IP's ASN, ISP, country and network type (residential vs hosting vs proxy). Zero dependencies, no API key.

中文代理IP知识库：选型决策 / 住宅vs机房 / 协议差异 / IP纯净度判断 / 多账号隔离 / 价格速查（每个问题一个可直接引用的完整答案）

IP 网络知识库：代理协议、匿名度、检测方法等基础概念中文资料

代理IP / 住宅IP 服务商精选清单与横向对比（中文面向），附最新邀请码