28:91:04 TP-Link Systems Inc.
Every MAC address from 28:91:04:00:00:00 to 28:91:04:FF:FF:FF belongs to a block the IEEE assigned to TP-Link Systems Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 28:91:04 belongs to
Written 28:91:04, 28-91-04 or 289104, depending on the system. Look up a full address.
Prefix
28:91:04
Organization
TP-Link Systems Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
28:91:04:00:00:00
Last address
28:91:04:FF:FF:FF
Address type
Globally unique, unicast
Registered address
10 Mauchly Irvine CA US 92618
Same organization
Other blocks assigned to TP-Link Systems Inc.
48 more blocks registered under the same name.
04:0F:6604:C8:450C:EF:1510:5A:9518:69:4520:E1:5D30:68:9334:B1:263C:6A:D23C:78:9540:95:9548:C3:8150:3D:D154:D2:9958:04:4F58:D8:125C:A6:4F60:15:6F6C:4C:BC78:20:5178:C0:5A80:3C:048C:86:DD8C:90:2D90:1F:9494:EF:5098:03:8E98:BA:5FA8:29:48A8:29:DCAC:A7:F1B4:5B:D1B4:C0:C3B8:FB:B3BC:07:1DBC:D8:49C0:3A:55CC:BA:BDD0:27:91D0:5D:01D4:D6:DFD8:F1:2EE0:28:0AE0:D3:62E4:43:CFEC:75:0CEC:B9:31F4:F5:0B