A Visual History of Internet (IPv4) Address Allocations

An animated slideshow presentation of the history of IPv4, using a Sankey diagram to visualize the flow of IPv4 address allocations since inception in 1977, through various address management organizations and policies.

Center the viewer below and use the navigation above the graph to advance through the presentation or autoplay.

Funding support

This material is based upon work supported by the National Science Foundation under grants NSF CNS-1901517 Strategies for Large-Scale IPv6 Active Mapping, NSF OAC-1724853 Integrated Platform for Applied Network Data Analysis, and NSF C-ACCEL OIA-1937165 Open Knowledge Network - Knowledge of Internet Structure: Measurement, Epistemology, and Technology. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

Related Objects

See https://catalog.caida.org/media/ipv4_history_viz_interactive to explore related objects to this document in the CAIDA Resource Catalog.