A4:25:1B Avaya Inc
Every MAC address from A4:25:1B:00:00:00 to A4:25:1B:FF:FF:FF belongs to a block the IEEE assigned to Avaya Inc. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who A4:25:1B belongs to
Written A4:25:1B, A4-25-1B or A4251B, depending on the system. Look up a full address.
Prefix
A4:25:1B
Organization
Avaya Inc
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
A4:25:1B:00:00:00
Last address
A4:25:1B:FF:FF:FF
Address type
Globally unique, unicast
Registered address
360 Mt Kemble Ave Morristown NJ US 07960
Same organization
Other blocks assigned to Avaya Inc
51 more blocks registered under the same name.
00:04:0D00:1B:4F00:54:9F04:8A:1510:CD:AE14:61:2F24:B2:0924:D9:212C:F4:C534:75:C738:BB:3C3C:3A:733C:B1:5B44:32:2A50:61:8450:CD:2258:16:2660:49:C164:6A:5264:A7:DD64:C3:546C:A8:496C:FA:5870:30:1870:38:EE70:52:C570:7C:6980:1D:AA84:83:7190:FB:5BA0:09:EDA0:12:90A0:51:C6A4:78:86B0:AD:AAB4:47:5EB4:A9:5AB4:B0:17BC:AD:ABC0:57:BCC4:BE:D4C8:1F:EAC8:F4:06CC:F9:54D4:78:56D4:EA:0EE4:5D:52F8:15:47F8:73:A2FC:83:99FC:A8:41