| Year | Changes | Prefixes | Addresses |
|---|---|---|---|
| 2000 | 80 | 80 | 1.3 billion |
| 2001 | 55 | 55 | 923 million |
| 2002 | 202 | 202 | 3.4 billion |
| 2003 | 33 | 33 | 554 million |
| 2004 | 77 | 77 | 1.3 billion |
| 2005 | 58 | 58 | 973 million |
| 2006 | 53 | 52 | 889 million |
| 2007 | 186 | 183 | 3.1 billion |
| 2008 | 129 | 128 | 2.2 billion |
| 2009 | 231 | 224 | 3.9 billion |
| 2010 | 274 | 173 | 4.6 billion |
| 2011 | 395 | 340 | 6.6 billion |
| 2012 | 242 | 150 | 4.1 billion |
| 2013 | 1,810 | 967 | 30.4 billion |
| 2014 | 146 | 144 | 2.4 billion |
| 2015 | 1,302 | 1,218 | 21.8 billion |
| 2016 | 644 | 571 | 10.8 billion |
| 2017 | 136 | 133 | 2.3 billion |
| 2018 | 226 | 220 | 3.6 billion |
| 2019 | 110 | 108 | 1.3 billion |
| 2020 | 219 | 211 | 2.9 billion |
| 2021 | 253 | 243 | 3.3 billion |
| 2022 | 222 | 205 | 3.1 billion |
| 2023 | 395 | 354 | 5 billion |
| 2024 | 662 | 607 | 10.3 billion |
| 2025 | 338 | 333 | 4.2 billion |
| 2026 | 225 | 223 | 3.3 billion |
MAC address ownership history
When registered prefixes changed organizations, based on public snapshot observations.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.