MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Shanghai Rui Rui Communication Technology Co.Ltd.
MAC prefix: A4:9F:89
Vendor name: Shanghai Rui Rui Communication Technology Co.Ltd.
MAC range: A4:9F:89:00:00:00 - A4:9F:89:FF:FF:FF
Block Size: 16777215 (16.77 M)
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 12 September 2013
Last updated: 17 November 2015