NXP / Freescale — multiple entities (MA-L + IAB); chipset maker, OUI ≠ device brand

NXP's MAC footprint spans IEEE registrants that should be aliased to one family: "NXP Semiconductor (Tianjin) LTD." (21 prefixes; MA-L) and the legacy "Freescale Semiconductor" (2 blocks; IAB + MA-L). A verified Freescale sample is 00:04:9F (MA-L). NXP's group HQ is in Eindhoven, Netherlands, while the Tianjin entity lists a China address. These OUIs appear on connectivity/networking silicon, i.MX applications processors, MCUs (Kinetis), NFC, and automotive parts — NXP and Freescale silicon carry the burned-in MAC on embedded, IoT, and networking devices. The corporate history explains the multiple names: NXP was spun off from Philips Semiconductors in 2006 and acquired Freescale in 2015, and both legacy OUI pools remain in active use (NXP's own engineering documentation confirms both are used for unique-MAC generation). The key analyst point is the chipset pattern: an NXP/Freescale OUI may identify a device built on their silicon regardless of brand. For triage, an NXP/Freescale OUI flags their silicon (i.MX, Kinetis, connectivity) in embedded, IoT, or networking gear regardless of brand.

IEEE assignment

multiple entities — "NXP Semiconductor (Tianjin) LTD." (21; MA-L), legacy "Freescale Semiconductor" (2; IAB + MA-L) [Confirmed] — IEEE MA-L

Registry / block size

NXP Tianjin MA-L; Freescale IAB + MA-L [Confirmed] — maclookup.app (IEEE-sourced)

HQ / country

NXP group HQ Eindhoven, Netherlands; Tianjin entity lists a China address [Confirmed/Likely] — maclookup.app

Company status

active; NXP spun off from Philips Semiconductors (2006); acquired Freescale (2015) [Confirmed] — nxp.com

Device types

connectivity/networking silicon, i.MX applications processors, MCUs (Kinetis), NFC, automotive with burned-in MACs [Confirmed] — maclookup.app

Notable products

i.MX processors, Kinetis MCUs, connectivity/NFC silicon

Verified prefix sample

00:04:9F (Freescale Semiconductor) [Confirmed] — maclookup.app

Special note

NXP and Freescale OUIs are both still active post-merger; NXP's own engineering documentation confirms both legacy OUI pools remain in use for unique-MAC generation. NXP descends from Philips Semiconductors (spun off 2006). The IEEE registry publishes no assignment dates, so none is stated here. [Confirmed]

Related vendors

Freescale Semiconductor (acquired 2015); Philips Semiconductors (predecessor, spun off 2006)

Analyst note

An NXP/Freescale OUI flags their silicon (i.MX, Kinetis, connectivity) in embedded/IoT/networking gear regardless of brand.