MAC Address Lookup

 MAC

IBM Corp

MAC prefix: 00:21:5E

Vendor name: IBM Corp

MAC range: 00:21:5E:00:00:00 - 00:21:5E:FF:FF:FF

Block Size: 16777215 (16.77 M)

Address:

3039 E Cornwallis Road
Research Triangle Park NC 27709-2195
US.

Type MA-L

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Initial registration: 25 October 2008

Last updated: 17 November 2015

Country US map