00:03:7F Atheros Communications, Inc.
Every MAC address from 00:03:7F:00:00:00 to 00:03:7F:FF:FF:FF belongs to a block the IEEE assigned to Atheros Communications, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:03:7F belongs to
Written 00:03:7F, 00-03-7F or 00037F, depending on the system. Look up a full address.
Prefix
00:03:7F
Organization
Atheros Communications, Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:03:7F:00:00:00
Last address
00:03:7F:FF:FF:FF
Address type
Globally unique, unicast
Registered address
5480 Great America Parkway Santa Clara CA US 95054
Same organization
Other blocks assigned to Atheros Communications, Inc.
1 more block registered under the same name.