Xiamen Leelen Technology Co., Ltd — multi-OUI intercom & smart-home vendor

Xiamen Leelen Technology Co., Ltd is an established manufacturer in Xiamen, Fujian, China, founded in 1992, that builds video intercoms, building access-control systems, and smart-home hardware. It is not a bare single-OUI shell: the IEEE Registration Authority holds two distinct MA-L (24-bit) assignments under this legal name — 1C:B8:BA and E8:A7:88 — registered to two separate Xiamen facility addresses, plus a related MA-M (28-bit) block (58F:CDBD) recorded under a slightly different punctuation of the same org string. The company's product catalog (IP/network video door phones and intercoms, smart locks, touchscreen control panels, Zigbee 3.0 sensors, and smart lighting/curtain/HVAC controllers) matches the network-endpoint device classes these OUIs would appear on, so the consolidated vendor entry is more useful than a per-prefix page. A caution for MAC-based inventory: third-party lookup tools display "first seen" / "last modified" dates for these prefixes (e.g. 2018-04-25, 2016-02-05), but those are database-crawl artifacts, not IEEE facts — IEEE publishes no assignment date for MA-L/MA-M blocks, so no registration date is recorded here. A third prefix, 58F:CDB / 58FCDB, surfaced only via an aggregator and was not confirmed by a direct IEEE query, so it is flagged unverified.

IEEE assignment (MA-L, 24-bit)

1C:B8:BA → "XIAMEN LEELEN TECHNOLOGY CO., LTD" [Confirmed] — IEEE MA-L registry; IEEE RA REST API text=LEELEN

IEEE assignment (MA-L, 24-bit)

E8:A7:88 → "XIAMEN LEELEN TECHNOLOGY CO., LTD" [Confirmed] — IEEE MA-L registry; IEEE RA REST API text=LEELEN

IEEE assignment (MA-M, 28-bit)

58F:CDBD → "XIAMEN LEELEN TECHNOLOGY CO.,LTD" (no comma before LTD; distinct org-name string stored separately) [Confirmed] — IEEE MA-M registry

Registry / block size

two MA-L (24-bit) OUIs + one MA-M (28-bit) block; no MA-S (36-bit) block found [Confirmed] — IEEE the IEEE MA-L registry / the IEEE MA-M registry / the IEEE MA-S registry (grepped cached registry files)

Registered address (1C

B8:BA): LEELEN building, No.780 TieShan Road, GuanKou Town, JiMei District, Xiamen, Fujian, CN 361021 [Confirmed] — IEEE MA-L registry

Registered address (E8

A7:88 and 58F:CDBD): 65 Sunban South Rd., Jimei North Industrial Zone, Xiamen, Fujian, CN 361021 [Confirmed] — IEEE MA-L / MA-M registry

HQ / country

Xiamen, Fujian, China (CN) [Confirmed] — IEEE registry addresses; smartleelen.com

Company status

active; founded 1992; ~1,600 employees; ~460,000 sqm manufacturing area [Likely — company-background figures single-sourced] — smartleelen.com (vendor site)

Device types

IP/network video door phones & intercoms, building access control, smart locks, touchscreen control panels/hubs, Zigbee 3.0 sensors, smart switches/lighting/curtain/HVAC controllers [Likely — vendor-site catalog, no OUI-to-SKU mapping] — smartleelen.com

Allocated / registration date

Unknown — IEEE publishes NO assignment date for MA-L/MA-M/MA-S blocks (registry CSVs carry only Registry, Assignment, Organization Name, Organization Address). Third-party "first seen 2018-04-25 / 2016-02-05" and "last modified 2022-06-04" values are maclookup.app crawl artifacts, not IEEE facts.

[Confirmed no-date] — IEEE the IEEE MA-L registry columns; maclookup.app (artifact source)

IANA Reference

not applicable — IEEE OUI data is not an IANA-administered registry [Confirmed]

Unverified prefix

58F:CDB / 58FCDB surfaced via adminsub.net but was NOT returned by the direct IEEE RA API query on "LEELEN"; treat as unverified pending a direct IEEE lookup [Unknown] — adminsub.net (unconfirmed)

Security / abuse context

no CVEs, advisories, or notable botnet/abuse reporting found for Leelen or Leelen-branded intercom/smart-home devices; absence of findings is not proof of a clean posture [Unknown] — targeted web search returned nothing

Analyst note

a globally-administered Leelen OUI on a device identifies genuine Leelen hardware (intercom/access-control/smart-home endpoint); do not read a third-party "date registered" as an IEEE registration date.