70mai Co., Ltd. — 2 prefixes (MA-L)

A MAC address starting with 44:27:F3 or B8:59:C8 belongs to 70mai Co., Ltd., typically seen on the company's WiFi-connected dash cams and car-electronics accessories. 70mai is a Shanghai-based manufacturer; both prefixes trace to the identical registrant name and address in the IEEE MA-L registry, and the more common of the two, 44:27:F3, is independently corroborated by a third-party MAC lookup service.

Founded in March 2016 in Shanghai (Chinese registration: Shanghai Qishimai Digital Technology Co., Ltd.), 70mai sells dash cams under its own brand through its website, Amazon, and retail partners. The company reports surpassing 10 million global users by December 2024 and past claims of market leadership in Russia, Malaysia, Thailand, and Italy — figures that are self-reported and not independently audited.

70mai is not owned by Xiaomi. Xiaomi is a strategic investor and, since January 2018, 70mai's named "authorized technology partner" within the Xiaomi ecosystem — a partnership distinct from ownership. Other reported collaborations include Ford, Weltmeister, and Wuling. Additional investors named by third-party business databases (Shunwei Capital, Peak Valley Capital, FineWill Capital, Hone Capital) are not confirmed against a primary filing or press release.

70mai's security-disclosure record is a notable data point for this OUI: NVD independently confirms three CVEs against named 70mai models — A510, Dash Cam 1S, and M300 — and a public researcher-disclosure repository lists several more against those models plus the Omni X200, none independently NVD-verified.

Four CVE IDs sometimes bundled with 70mai in secondary summaries actually belong to other dash-cam vendors (CarlinKit, IROAD) and should not be attributed here. The documented vulnerability pattern is consistent across models: unauthenticated or default-credential access to a device's local HTTP, RTSP, or telnet service over its own WiFi network.

IEEE assignment

2 prefixes → 70mai Co.,Ltd., registered Shanghai, CN [Confirmed] — the IEEE MA-L registry 4427F3, the IEEE MA-L registry B859C8

Registry / block size

MA-L (24-bit OUI); 2 IEEE prefixes found in the local registry cache, no MA-M/MA-S sub-allocations for this registrant [Confirmed] — the IEEE MA-L registry 4427F3, the IEEE MA-L registry B859C8. 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); a third-party tool's "registered on May 28, 2020" value for 44:27:F3 is a database artifact, not an IEEE fact.

HQ / country

Room 2220, building 2, No. 588, Zixing road Shanghai MinHang District CN 201100 (registry address) [Confirmed] — the IEEE MA-L registry 4427F3

Company status

active [Confirmed] — 70mai.com

Device types

WiFi dash cams (with and without screens), car-electronics accessories [Confirmed] — 70mai.com

Notable products

Dash Cam Pro (2018), Dash Cam 4K A800 (2020), Dash Cam M500 (2022), Dash Cam Omni (2022; TIME Best Inventions 2025); current catalog includes A510, A800S/A800SE/A810/A810S, T800, M310/M500/M800, S500, Omni X200 [Confirmed] — 70mai.com

Verified sample prefixes (both MA-L, 70mai Co.,Ltd.)

44:27:F3, B8:59:C8 [Confirmed prefixes; 44:27:F3 independently corroborated, B8:59:C8 registry-only — no independent third-party corroboration found for B8:59:C8 in an August 2026 search] — the IEEE MA-L registry 4427F3, the IEEE MA-L registry B859C8, maclookup.app

Historic block

none found — 70mai was founded in 2016 and no pre-2016 OUI assignment to this registrant was located [Confirmed absence, checked the IEEE MA-L registry/mam.csv/oui36.csv] — the IEEE MA-L registry, the IEEE MA-M registry, the IEEE MA-S registry

Special note

70mai has a documented security-disclosure history across named models (A510, Dash Cam 1S, M300, Omni X200) — see JSON special_note for the full CVE breakdown, including three NVD-confirmed IDs and a correction ruling out four misattributed IDs (CarlinKit, IROAD) that are NOT 70mai issues [Confirmed for the 3 NVD IDs and the misattribution correction; Likely for 8 repository-only IDs] — nvd.nist.gov, github.com/geo-chen/70mai

Related vendors

no separate 70mai-affiliated OUI-holding subsidiary or alias identified in an August 2026 search; Xiaomi is a strategic investor/technology partner since Jan 2018 but a legally distinct company with its own OUI holdings, not to be conflated with 70mai [Confirmed] — 70mai.com, bestxiaomiproducts.com

Analyst note

A MAC beginning with 44:27:F3 or B8:59:C8 reliably identifies 70mai hardware, typically a WiFi dash cam; several named 70mai models carry NVD-documented unauthenticated local-access vulnerabilities, so treat this OUI as a candidate for a local network security review rather than a bare identity signal.