| MAC Address Prefix | 0000C1 00-00-C1 00:00:C1 | |
|---|---|---|
| Manufacturer | Madge Ltd. | |
| MAC Address Prefix | 00006F 00-00-6F 00:00:6F | |
| Manufacturer | Madge Ltd. | |
| MAC Address Prefix | 0080E9 00-80-E9 00:80:E9 | |
| Manufacturer | Madge Ltd. | |
| MAC Address Prefix | 000281 00-02-81 00:02:81 | |
| Manufacturer | Madge Ltd. |