B4:D0:A9 China Mobile Group Device Co.,Ltd.
Every MAC address from B4:D0:A9:00:00:00 to B4:D0:A9:FF:FF:FF belongs to a block the IEEE assigned to China Mobile Group Device Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B4:D0:A9 belongs to
Written B4:D0:A9, B4-D0-A9 or B4D0A9, depending on the system. Look up a full address.
Prefix
B4:D0:A9
Organization
China Mobile Group Device Co.,Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
B4:D0:A9:00:00:00
Last address
B4:D0:A9:FF:FF:FF
Address type
Globally unique, unicast
Registered address
32 Xuanwumen West Street,Xicheng District Beijing CN 100053
Same organization
Other blocks assigned to China Mobile Group Device Co.,Ltd.
76 more blocks registered under the same name.
00:CF:C000:E2:2C04:4F:7A08:15:AE0C:14:D210:3D:3E14:79:F314:A1:DF18:69:DA18:7C:AA1C:41:7624:12:8124:61:5A24:7B:A42C:06:132C:56:8334:AC:113C:57:4F3C:E3:E740:62:EA44:8E:EC44:C8:7448:1F:6650:29:7B50:70:9750:8C:F550:CF:5654:4D:D454:70:AB5C:75:C664:C5:826C:0F:0B70:89:CC74:AD:B778:10:5378:2E:5678:C3:137C:6A:6084:53:CD88:DA:188C:1A:508C:53:D290:47:3C90:F3:B894:BE:0994:FF:6198:7D:DD98:9D:39A0:21:AAA4:1B:34A8:61:DFAC:5A:EEAC:71:0CAC:F7:0DB8:60:61BC:9E:2CBC:D9:FBC0:16:92C0:2D:2EC4:33:06C8:0C:53C8:75:F4CC:5C:DECC:96:A2DC:15:2DDC:7C:F7E0:45:6DE0:E0:C2E4:C0:CCE8:3A:4BEC:9B:2DEC:E7:C2F4:BF:BBF8:48:FDFC:2E:19FC:E6:C6