MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Rohde&Schwarz Topex SA
Unique prefixes: 22
Block Size: 1134570 (1.13 M)
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 Prefix | Type | Registration Date |
|---|---|---|
| 00:50:C2:40:3 | IAB | 2011-02-21 |
| 00:50:C2:85:5 | IAB | 2011-02-21 |
| 00:50:C2:92:A | IAB | 2011-02-21 |
| 00:50:C2:9E:C | IAB | 2011-02-21 |
| 00:50:C2:BF:A | IAB | 2011-02-21 |
| 00:50:C2:C9:E | IAB | 2011-02-21 |
| 00:50:C2:D4:7 | IAB | 2011-02-21 |
| 00:50:C2:DD:3 | IAB | 2011-08-06 |
| 00:50:C2:E2:A | IAB | 2011-08-06 |
| 00:50:C2:E4:B | IAB | 2011-08-06 |
| 00:50:C2:EA:D | IAB | 2011-10-15 |
| 00:50:C2:EE:4 | IAB | 2011-11-26 |
| 00:50:C2:F5:2 | IAB | 2012-03-15 |
| 00:50:C2:FC:0 | IAB | 2012-08-13 |
| 40:D8:55:06:C | IAB | 2013-04-03 |
| 40:D8:55:19:A | IAB | 2013-11-18 |
| 70:B3:D5:18:6 | MA-S | 2014-11-04 |
| 70:B3:D5:24:3 | MA-S | 2014-11-04 |
| 70:B3:D5:29:6 | MA-S | 2014-12-23 |
| 70:B3:D5:93:2 | MA-S | 2015-04-29 |
| 70:B3:D5:FB:0 | MA-S | 2014-04-14 |
| DC:44:27:D | MA-M | 2016-02-05 |