Broadcom — multiple entities (MA-L + MA-M); networking-silicon maker, OUI ≠ device brand

Broadcom's MAC footprint is split across at least four IEEE registrant names that must be aliased to one family: "Broadcom" (legacy Broadcom Corporation, ~9 MA-L blocks, Irvine CA), "Broadcom Limited" (~21 MA-L blocks), "Avago Technologies" (1 MA-L block, San Jose CA), and "Broadcom Inc." (1 MA-M block). Verified samples include 00:0A:F7, 00:0D:B6, 00:10:18, 00:1B:E9, and D4:01:29 (legacy Broadcom); B0:26:28, 00:62:0B, 04:32:01, 14:23:F2, and BC:97:E1 (Broadcom Limited); and 00:17:6A (Avago). These OUIs appear on Wi-Fi/networking chipsets (in routers, gateways, set-top boxes), Ethernet controllers, switch silicon (Trident/Tomahawk), and broadband SoCs. The corporate history explains the multiple names: Avago Technologies and Broadcom Corporation announced their merger on 28 May 2015, closed it on 1 February 2016, and the combined company took the Broadcom name (initially "Broadcom Limited," renamed Broadcom Inc. in November 2017). For triage, a Broadcom-family OUI usually marks a device built on Broadcom Wi-Fi/Ethernet/switch silicon (home routers, ISP gateways, set-top boxes, enterprise switches) — a chipset/silicon signal where the consumer brand on the box is usually different.

IEEE assignment

multiple entities — "Broadcom" (legacy Broadcom Corporation, ~9 MA-L, Irvine CA), "Broadcom Limited" (~21 MA-L), "Avago Technologies" (1 MA-L, San Jose CA), "Broadcom Inc." (1 MA-M) [Confirmed] — IEEE MA-L/MA-M

Registry / block size

MA-L predominant; one MA-M block under "Broadcom Inc." [Confirmed] — maclookup.app (IEEE-sourced)

HQ / country

legacy Broadcom 16215 Alton Parkway, Irvine CA 92618; Broadcom Limited block B0:26:28 lists 5300 California Ave., Irvine CA 92617 (NOT San Jose — see note); Avago 350 West Trimble Rd, San Jose CA 95131; US-headquartered parent [Confirmed] — IEEE MA-L

Company status

active; Avago + Broadcom Corp announced 2015-05-28, closed 2016-02-01; took the Broadcom name ("Broadcom Limited", renamed Broadcom Inc. Nov 2017) [Confirmed] — en.wikipedia.org/wiki/Broadcom

Device types

Wi-Fi/networking chipsets (routers, gateways, STBs), Ethernet controllers, switch silicon (Trident/Tomahawk), broadband SoCs [Confirmed] — maclookup.app

Notable products

Wi-Fi/Ethernet chipsets, Trident/Tomahawk switch silicon, broadband SoCs

Verified prefix sample

00:0A:F7, 00:0D:B6, 00:10:18, 00:1B:E9, D4:01:29 (legacy Broadcom); B0:26:28, 00:62:0B, 04:32:01, 14:23:F2, BC:97:E1 (Broadcom Limited); 00:17:6A (Avago) [Confirmed] — maclookup.app

Special note

Allocations spread across ≥4 registrant names — map "Broadcom," "Broadcom Limited," "Avago Technologies," "Broadcom Inc." A Broadcom OUI may identify a device built on Broadcom silicon regardless of brand. NOTE: the "Broadcom Limited" address on block B0:26:28 (Irvine CA 92617) differs from commonly-cited San Jose/Singapore corporate addresses — this reflects the underlying IEEE record; do not silently "correct" it. The IEEE registry publishes no assignment dates, so none is stated here. [Confirmed]

Related vendors

Avago Technologies (acquirer/predecessor name); legacy Broadcom Corporation

Analyst note

A Broadcom-family OUI usually marks a device built on Broadcom Wi-Fi/Ethernet/switch silicon (home routers, ISP gateways, set-top boxes, enterprise switches). Treat as a chipset/silicon signal; the consumer brand on the box is usually different.