B4:DF:91 Cisco Meraki
Every MAC address from B4:DF:91:00:00:00 to B4:DF:91:FF:FF:FF belongs to a block the IEEE assigned to Cisco Meraki. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B4:DF:91 belongs to
Written B4:DF:91, B4-DF-91 or B4DF91, depending on the system. Look up a full address.
Prefix
B4:DF:91
Organization
Cisco Meraki
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
B4:DF:91:00:00:00
Last address
B4:DF:91:FF:FF:FF
Address type
Globally unique, unicast
Registered address
500 Terry A. Francois Blvd San Francisco US 94158
Same organization
Other blocks assigned to Cisco Meraki
58 more blocks registered under the same name.
00:18:0A00:84:1E08:6A:0B08:71:1C08:F1:B30C:7B:C80C:8D:DB14:9F:431C:E5:872C:3F:0B30:3B:4934:56:FE38:84:7940:27:A848:70:D44C:C8:A15C:06:1068:3A:1E68:49:926C:7D:B76C:7F:0C6C:C3:B26C:DE:A96C:EF:BD78:0F:8188:15:448C:88:8198:18:889C:E3:30A0:4E:8DA0:59:11A8:46:9DAC:17:C8AC:69:CFAC:BD:F7AC:C3:E5AC:D3:1DB8:07:56B8:AB:61B8:B4:C9BC:33:40BC:B1:D3BC:DB:09C4:14:A2C4:8B:A3C4:D6:66C8:63:40CC:03:D9CC:6E:2ACC:9C:3ED8:53:ADDC:BB:FAE0:55:3DE0:CB:BCE0:D3:B4E4:55:A8F8:9E:28FC:94:2E