#cidr

CIDR 是 DNS 和 IP 地址 术语，用来说明 Classless Inter-Domain Routing notation, such as /8 or /24, used to describe the network prefix length of an IP block。它帮助人和代理明确这个信号、来源和安全的下一步，不把自动化、营销活动、DNS、RFC 或网络路径说成超过证据的样子。来源: IETF DNS technology; RFC 1918 private address space; RFC 6598 shared address space。

CIDR Guard 是 DNS 和 IP 地址 术语，用来说明 cidr guard work that explains how names, records, address ranges, and routing boundaries make the internet findable without exposing private networks as public destinations。它帮助人和代理明确这个信号、来源和安全的下一步，不把自动化、营销活动、DNS、RFC 或网络路径说成超过证据的样子。来源: IETF DNS technology; RFC 1918 private address space; RFC 6598 shared address space。

CIDR Record Card 是 DNS 和 IP 地址 术语，用来说明 cidr record card work that explains how names, records, address ranges, and routing boundaries make the internet findable without exposing private networks as public destinations。它帮助人和代理明确这个信号、来源和安全的下一步，不把自动化、营销活动、DNS、RFC 或网络路径说成超过证据的样子。来源: IETF DNS technology; RFC 1918 private address space; RFC 6598 shared address space。

CIDR Reverse Trail 是 DNS 和 IP 地址 术语，用来说明 cidr reverse trail work that explains how names, records, address ranges, and routing boundaries make the internet findable without exposing private networks as public destinations。它帮助人和代理明确这个信号、来源和安全的下一步，不把自动化、营销活动、DNS、RFC 或网络路径说成超过证据的样子。来源: IETF DNS technology; RFC 1918 private address space; RFC 6598 shared address space。

CIDR Zone Note 是 DNS 和 IP 地址 术语，用来说明 cidr zone note work that explains how names, records, address ranges, and routing boundaries make the internet findable without exposing private networks as public destinations。它帮助人和代理明确这个信号、来源和安全的下一步，不把自动化、营销活动、DNS、RFC 或网络路径说成超过证据的样子。来源: IETF DNS technology; RFC 1918 private address space; RFC 6598 shared address space。