This is the resolved re-verification of HiSilicon, and the finding is now confirmed as a negative: there is no clean standalone "HiSilicon Technologies Co., Ltd." IEEE registrant. A search across IEEE-sourced aggregators (maclookup.app, hwaddress.com, netify.ai) finds no HiSilicon vendor page and no OUI block held under the HiSilicon name. HiSilicon is Huawei's wholly-owned fabless semiconductor subsidiary (Shenzhen; founded 1991 as Huawei's ASIC Design Center, incorporated as the independent company in 2004), and because it designs silicon rather than building finished NICs, its chips reach the network under someone else's OUI: most often a Huawei registrant — "HUAWEI TECHNOLOGIES CO.,LTD" (~1,378 prefixes; CID + MA-L) or "Huawei Device Co., Ltd." (~630 prefixes; MA-L) — or, very commonly in white-label IP cameras and DVRs, the OUI of the camera ODM/brand rather than HiSilicon or Huawei at all. HiSilicon designs the Kirin phone SoCs, Ascend AI accelerators, Kunpeng server CPUs, Balong modems, and the Hi-series camera/DVR SoCs (Hi3516, Hi3518, Hi3798) that power a large fraction of the white-label surveillance market. Regulatory context is confirmed and material: Huawei was added to the US Entity List effective 16 May 2019, and HiSilicon is captured by the 15 May 2020 Foreign-Produced Direct Product Rule that halted Kirin production from 15 September 2020. For an analyst, the practical takeaway is that a literal "HiSilicon" OUI essentially never appears — a HiSilicon-powered camera or DVR surfaces under a Huawei OUI or the ODM/brand OUI, so a Huawei OUI on a camera/DVR should be treated as a candidate HiSilicon-silicon device for supply-chain assessment, corroborated against the device's web UI/firmware.
- IEEE assignment
- NO standalone HiSilicon registrant exists; HiSilicon silicon surfaces under Huawei registrants ("HUAWEI TECHNOLOGIES CO.,LTD", "Huawei Device Co., Ltd.") or the ODM/brand OUI [Confirmed negative finding] — maclookup.app, hwaddress.com, netify.ai
- Registry / block size
- N/A for a standalone HiSilicon registrant; Huawei parent blocks are CID + MA-L [Confirmed] — maclookup.app
- HQ / country
- Shenzhen, Guangdong, China (wholly owned by Huawei) [Confirmed] — en.wikichip.org/wiki/hisilicon
- Company status
- active; wholly-owned fabless subsidiary of Huawei (founded 1991 as Huawei's ASIC Design Center; incorporated as the independent company 2004-09-28) [Confirmed] — en.wikichip.org/wiki/hisilicon, grokipedia.com/page/HiSilicon
- Device types
- smartphone SoCs, AI accelerators, server CPUs, modems, and IP-camera/DVR/STB/TV SoCs [Confirmed] — en.wikichip.org/wiki/hisilicon
- Notable products
- Kirin (phone), Ascend (AI), Kunpeng (server), Balong (modem), Hi-series camera SoCs (Hi3516, Hi3518, Hi3798)
- Verified Huawei-registrant prefixes where HiSilicon silicon surfaces (NOT HiSilicon-name-specific)
- 00:1E:10, 00:9A:CD [Confirmed] — maclookup.app
- Special note
- CHIPSET identity, not a device brand (like Intel/Realtek), and unusually it holds NO OUI of its own. HiSilicon silicon reaches the network under a Huawei OUI or the camera ODM/brand OUI. The IEEE registry publishes no assignment dates, so none is stated here. [Confirmed]
- Regulatory
- Huawei added to US Entity List eff. 2019-05-16; HiSilicon captured by the 2020-05-15 Foreign-Produced Direct Product Rule; Kirin production halted from 2020-09-15 [Confirmed] — hugheshubbard.com, venturebeat.com
- Related vendors
- parent Huawei Technologies Co., Ltd. (and Huawei Device Co., Ltd.); cross-reference Hikvision, Dahua, Uniview (all have used HiSilicon camera SoCs)
- Analyst note
- A literal HiSilicon OUI essentially never appears; HiSilicon-powered cameras/DVRs surface under Huawei OUIs or the ODM/brand OUI. Treat a Huawei OUI on a camera/DVR as a candidate HiSilicon-silicon device for supply-chain assessment.