00:07:1C AT&T
Every MAC address from 00:07:1C:00:00:00 to 00:07:1C:FF:FF:FF belongs to a block the IEEE assigned to AT&T. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:07:1C belongs to
Written 00:07:1C, 00-07-1C or 00071C, depending on the system. Look up a full address.
Prefix
00:07:1C
Organization
AT&T
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:07:1C:00:00:00
Last address
00:07:1C:FF:FF:FF
Address type
Globally unique, unicast
Registered address
3300 E Renner Road Richardson TX US 75082
Same organization
Other blocks assigned to AT&T
5 more blocks registered under the same name.