Beijing GuangXin Technology Co., Ltd

MAC address prefix B4:21:1D is registered to Beijing GuangXin Technology Co., Ltd, located at Room 313B BldHorizon International TowerZhichun Road6Haidian DistrictBeijing CityP.R.ChinaBeijing 100086CN.

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

The prefix was initially registered on 24 September 2011, with the most recent update made on 17 November 2015.

OUI: B4:21:1D

Vendor name: Beijing GuangXin Technology Co., Ltd

Address:

Room 313
B Bld
Horizon International Tower
Zhichun Road
6
Haidian District
Beijing City
P.R.China
Beijing 100086
CN.

Assignment Type MA-L

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

Last updated: 17 November 2015

Initial registration: 24 September 2011

MAC Address Vendor Country CN map