Beijing Guming Communication Technology Co., Ltd.

MAC address prefix 70:A3:A4 is registered to Beijing Guming Communication Technology Co., Ltd., located at Room 202-62nd FloorBuilding 1No. 8 CourtyardYongchang Middle RoadBeijing Economic and Technological Development AreaBeijingBeijing Beijing 100176CN.

This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses

The prefix was registered on 18 August 2025, and no subsequent updates have been recorded.

OUI: 70:A3:A4

Vendor name: Beijing Guming Communication Technology Co., Ltd.

Address:

Room 202-6
2nd Floor
Building 1
No. 8 Courtyard
Yongchang Middle Road
Beijing Economic and Technological Development Area
Beijing
Beijing Beijing 100176
CN.

Assignment Type MA-L

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Initial registration: 18 August 2025

MAC Address Vendor Country CN map