Unpacking the Packet: Demystifying the Internet Protocol

This article demystifies the Internet Protocol (IP), explaining its core roles in addressing and fragmentation; details of IPv4/IPv6, NAT/PAT; and key IPv4 header fields. It outlines how IANA and Regional Internet Registries allocate addresses and examines the limitations and inaccuracies of IP geolocation, noting that location data is third-party, often imprecise, and influenced by factors like VPNs, dynamic assignments, and address transfers—illustrated by high-profile misattribution cases.