MAC Address Lookup

Apple, Inc. A4:B1:97

A4:B1:97 is a 24-bit MA-L MAC address block registered to Apple, Inc. in US.

Vendor

Apple, Inc.

MA-L · 24-bit
A4:B1:97

Unicast · Universally administered (U/L bit clear)

Matched prefix
A4:B1:97
Match
MA-L assignment
Address range
A4:B1:97:00:00:00 – A4:B1:97:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
1 Infinite Loop Cupertino CA US 95014
First registered
Mar 3, 2011

Formats

  • Plain hex A4B197
  • Colon-separated A4:B1:97
  • Hyphen-separated A4-B1-97
  • Cisco dot notation A4B1.97

Prefix lineage

This prefix has changed hands. Dates are when each change was first observed in public registration data (runZero mac-tracker).

  1. Apple, Inc. Mar 3, 2011
  2. Apple Aug 24, 2013
  3. Apple, Inc. Sep 1, 2015