Google — ~103 (Google, Inc.) + ~2 (Nest Labs Inc.) prefixes (MA-L + CID)
Summary
- // what this is
- Google is registered to MAC prefix
00:1A:11and 102 more in the IEEE OUI database. When a device's MAC address begins with00:1A:11, that block was registered by Google — the OUI identifies the maker of the network hardware, which is not always the brand on the device. - // analyst note
- A Google/Nest OUI on a corporate network most often signals consumer/IoT shadow-IT (Nest cam, Chromecast, employee Pixel) rather than managed infrastructure; unexpected Nest Labs OUIs are smart-home devices that bridge to cloud services.
About this vendor.
Google's MAC footprint is registered under the historic IEEE name "Google, Inc." (about 103 blocks) even though the operating entity renamed to Google LLC in the 2015 Alphabet reorganization — a registrant-name lag worth normalizing. Nest hardware is registered separately as "Nest Labs Inc." (about 2 blocks), reflecting the 2014 acquisition. Google blocks list a Mountain View, CA address (HQ 1600 Amphitheatre Parkway); Nest blocks list older Palo Alto addresses. These OUIs appear across Pixel phones, the Nest smart-home line (thermostats, cameras, doorbells, speakers/displays), Chromecast, Google Wifi/Nest Wifi, Chromebook reference hardware, and Fiber CPE. The key analyst caveat is MAC randomization: Pixel phones, like all Android 10+ devices, randomize their Wi-Fi MAC by default (Android 12+ adds non-persistent per-connection randomization), so a randomized Pixel presents a locally-administered address rather than a Google OUI. Nest devices generally still use globally-unique Nest Labs / Google OUIs. For triage, a Google/Nest OUI on a corporate network most often signals consumer/IoT shadow-IT — a Nest cam, Chromecast, or an employee's Pixel — rather than managed infrastructure, and unexpected Nest Labs OUIs are smart-home devices that bridge to cloud services.
- IEEE assignment
- ~103 prefixes → Google, Inc. (Mountain View, CA); ~2 → Nest Labs Inc. (Palo Alto, CA) [Confirmed] — IEEE MA-L
- Registry / block size
- MA-L plus one CID (DA:A1:19); Google ~103 blocks; Nest Labs ~2 [Confirmed assignments] — maclookup.app (IEEE-derived; counts are a current third-party snapshot and drift). NOTE: IEEE's public OUI data publishes NO assignment/registration date (the IEEE MA-L registry columns are only Registry, Assignment, Organization Name, Organization Address); any "date registered" from third-party tools is a database artifact, not an IEEE fact.
- HQ / country
- 1600 Amphitheatre Parkway, Mountain View, CA 94043, US (Google); Nest blocks list 3400 Hillview Ave / 235 Alma, Palo Alto, CA [Confirmed] — IEEE MA-L
- Company status
- active; "Google, Inc." → Google LLC under Alphabet Inc. (2015); Nest Labs acquired by Google (2014) [Confirmed] — en.wikipedia.org/wiki/Googleplex
- Device types
- Pixel phones, Nest smart-home (thermostats/cameras/doorbells/speakers/displays), Chromecast, Google Wifi/Nest Wifi, Chromebook reference, Fiber CPE [Confirmed] — maclookup.app
- Notable products
- Pixel, Nest, Chromecast, Nest Wifi/Google Wifi
- Verified prefix sample (Google, Inc.)
- 00:1A:11, 3C:5A:B4, 94:EB:2C, A4:77:33, F8:8F:CA, F4:F5:E8; Nest Labs: 18:B4:30, 64:16:66 [Confirmed] — maclookup.app
- Special note
- Pixel phones randomize Wi-Fi MAC by default (Android 10+; Android 12+ non-persistent). A randomized Pixel MAC is locally administered and does NOT resolve to Google. Nest devices generally use globally-unique Nest Labs/Google OUIs. Normalize "Google, Inc." ↔ Google LLC.[Confirmed] — source.android.com
- Related vendors
- parent Alphabet Inc.; subsidiary Nest Labs Inc. (separate OUI registrant); sibling Google Fiber
- Analyst note
- A Google/Nest OUI on a corporate network most often signals consumer/IoT shadow-IT (Nest cam, Chromecast, employee Pixel) rather than managed infrastructure; treat unexpected Nest Labs OUIs as smart-home devices that bridge to cloud services.