MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address

 Vendor

Rohde&Schwarz Topex SA

Unique prefixes: 22

Block Size: 1134570 (1.13 M)

www.topex.ro

First registration: 21 February 2011

Last updated: 25 August 2016

Types

IAB: Individual Address Blocks. Number of address 2^24 (~16 Million)

MA-M: Mac Address Block Medium. Number of address 2^20 (~1 Million)

MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)

MAC PrefixTypeRegistration Date
00:50:C2:40:3IAB2011-02-21
00:50:C2:85:5IAB2011-02-21
00:50:C2:92:AIAB2011-02-21
00:50:C2:9E:CIAB2011-02-21
00:50:C2:BF:AIAB2011-02-21
00:50:C2:C9:EIAB2011-02-21
00:50:C2:D4:7IAB2011-02-21
00:50:C2:DD:3IAB2011-08-06
00:50:C2:E2:AIAB2011-08-06
00:50:C2:E4:BIAB2011-08-06
00:50:C2:EA:DIAB2011-10-15
00:50:C2:EE:4IAB2011-11-26
00:50:C2:F5:2IAB2012-03-15
00:50:C2:FC:0IAB2012-08-13
40:D8:55:06:CIAB2013-04-03
40:D8:55:19:AIAB2013-11-18
70:B3:D5:18:6MA-S2014-11-04
70:B3:D5:24:3MA-S2014-11-04
70:B3:D5:29:6MA-S2014-12-23
70:B3:D5:93:2MA-S2015-04-29
70:B3:D5:FB:0MA-S2014-04-14
DC:44:27:DMA-M2016-02-05