IPv4 Address Space Utilization

Goals (& non) of this Effort

RIR Address Taxonomy

Slide 4

Slide 5

IPv4 Address Allocations: linear model

Address Allocations: logarithmic model

Address Allocations: logistic distribution

Slide 9

The ‘H’ factor: progress gets harder

Addresses seen by AS1221

Addresses in use

AS1221 Address Growth

Reverse Name Address Growth

Slide 15

A closer look

Slide 17

Kudos

The Final Slide…