IANA IPv4 地址空间IANA IPv4 address space
完整 256 个 /8 网段，含管理 / 用途、分配日期、状态、WHOIS、RDAP 与原始备注。All 256 /8 blocks with designation, allocation date, status, WHOIS, RDAP and original source notes.
配置Configuration
如何理解结果Understand the result
有来源的 IANA 快照，不是实时路由或所有权检测。搜索与导出在本地完成。An attributed IANA snapshot, not a live routing or ownership check. Search and export stay local.
原理、限制与隐私说明How it works, limitations & privacy
数据来自本站的同源静态快照；搜索、筛选、排序、分页和导出都在本地进行。仅点击来源链接时才打开权威外部网站。快照抓取时间不等于注册表更新时间。Data loads from this site’s same-origin static snapshot; search, filters, sorting, pagination and exports are local. Source links open authoritative external websites only when clicked. A snapshot retrieval time is not a registry update time.
点击列标题排序。CSV / JSON 导出包含全部筛选结果，不仅当前页。行详情保留来源备注与参考。分配状态不证明当前 BGP 路由、可达性或具体终端用户归属。Click a column heading to sort. CSV/JSON exports include all filtered rows, not only the current page. Source notes and references remain available in row details. Allocation status does not prove current BGP routing, reachability or individual end-user ownership.