A4:21:8A Nortel Networks
Every MAC address from A4:21:8A:00:00:00 to A4:21:8A:FF:FF:FF belongs to a block the IEEE assigned to Nortel Networks. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who A4:21:8A belongs to
Written A4:21:8A, A4-21-8A or A4218A, depending on the system. Look up a full address.
Prefix
A4:21:8A
Organization
Nortel Networks
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
A4:21:8A:00:00:00
Last address
A4:21:8A:FF:FF:FF
Address type
Globally unique, unicast
Registered address
CARRETERA BASE AEREA # 5850 Zapopan Jalisco MX 44130
Same organization
Other blocks assigned to Nortel Networks
67 more blocks registered under the same name.
00:00:7500:01:8100:02:5F00:03:4200:03:4B00:04:3800:04:DC00:09:9700:0C:F700:0C:F800:0E:4000:0E:6200:0E:C000:0F:0600:0F:6A00:0F:CD00:10:4500:11:5800:11:F900:12:8300:13:0A00:13:6500:14:0D00:14:0E00:14:C700:15:4000:15:9B00:15:E800:16:6000:16:CA00:17:6500:17:D100:18:B000:19:6900:19:E100:1A:8F00:1B:2500:1B:BA00:1C:1700:1C:9C00:1C:EB00:1D:4200:1D:AF00:1E:1F00:1E:7E00:1E:CA00:1F:0A00:1F:4600:1F:9A00:1F:DA00:20:D800:21:6200:21:E100:22:6700:23:0D00:24:0000:24:4300:24:7F00:24:B500:60:3840:B2:C85C:E2:8668:78:4C80:17:7D98:D8:8CE0:26:36E8:05:6D