MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
EXTENSION TECHNOLOGY CORP.
MAC address prefix 00:40:7D is registered to EXTENSION TECHNOLOGY CORP., located at 30 HOLLIS STREETFRAMINGHAM MA 01701US.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 09 November 2000, with the most recent update made on 17 November 2015.
OUI: 00:40:7D
Vendor name: EXTENSION TECHNOLOGY CORP.
Address:
Assignment Type MA-L 30 HOLLIS STREET
FRAMINGHAM MA 01701
US.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 09 November 2000
