MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
IBM
MAC address prefix 34:40:B5 is registered to IBM, located at 3039 E Cornwallis RdResearch Triangle Park NC 27709US.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 07 October 2011, with the most recent update made on 17 November 2015.
OUI: 34:40:B5
Vendor name: IBM
Address:
Assignment Type MA-L 3039 E Cornwallis Rd
Research Triangle Park NC 27709
US.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 07 October 2011
