04:71:4B:A Observables, Inc.
Every MAC address from 04:71:4B:A0:00:00 to 04:71:4B:AF:FF:FF belongs to a block the IEEE assigned to Observables, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 04:71:4B:A belongs to
Written 04:71:4B:A, 04-71-4B-A or 04714BA, depending on the system. Look up a full address.
Prefix
04:71:4B:A/28
Organization
Observables, Inc.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
04:71:4B:A0:00:00
Last address
04:71:4B:AF:FF:FF
Address type
Globally unique, unicast
Registered address
5973 Encina Rd. Suite 109 SANTA BARBARA CA US 93117
Parent block
Inside 04:71:4B
This MA-M block is carved from the 24-bit block 04:71:4B, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.