network administrators Story Archives

Reverse DNS, or rDNS, maps IP addresses to hostnames using PTR records. Learn how it works, why it matters, and how ARIN manages delegations

OpenFlow enables centralized network control by separating data and control planes, foundational for modern software-defined networking.

A simple guide to calculating netmask and subnet masks using available IP address and CIDR (Classless Inter-Domain Routing) notation.

IPAM (IP Address Management) is a system for planning, tracking, and managing IP addresses in a network to ensure efficiency and security.

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