MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
SMS TECNOLOGIA ELETRONICA LTDA
MAC address prefix 00:21:CB is registered to SMS TECNOLOGIA ELETRONICA LTDA, located at Av. Pirâmide661DIADEMA São Paulo 09970330BR.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 25 October 2008, with the most recent update made on 17 November 2015.
OUI: 00:21:CB
Vendor name: SMS TECNOLOGIA ELETRONICA LTDA
Address:
Assignment Type MA-L Av. Pirâmide
661
DIADEMA São Paulo 09970330
BR.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 25 October 2008