Devices with MAC addresses that start with 00-01-81 were manufactured by Nortel Networks

Device Manufacturer
Nortel Networks
Manufacturer Location
1100 Technology Park Drive
Billerica MA 01821
Estimated Devices using 00-01-81
16,256,250
Estimated Total Devices From Mfg
1,105,425,000
Related MAC Addresses
5C-E2-86, 80-17-7D, 00-24-7F, 00-21-E1, 00-02-5F, 00-21-62, 00-0F-06, 00-03-42, 00-15-9B, 00-14-0E, 00-16-CA, 00-19-69, 00-19-E1, 00-1A-8F, 98-D8-8C, 00-22-67, 00-23-0D, 00-10-45, 00-20-D8, 00-09-97, 00-0E-62, 00-0E-C0, 00-0F-CD, 00-04-DC, 00-13-65, 00-1E-CA, 00-1D-42, 00-1C-EB, 40-B2-C8, 00-24-43, 00-0E-40, 00-11-58, 00-11-F9, 00-0F-6A, 00-12-83, 00-04-38, 00-14-0D, 00-17-65, 00-18-B0, 00-1B-25, 00-1D-AF, A4-21-8A, 68-78-4C, E8-05-6D, E0-26-36, 00-24-00, 00-24-B5, 00-60-38, 00-00-75, 00-1F-46, 00-1F-0A, 00-13-0A, 00-1E-7E, 00-1C-9C, 00-0C-F8, 00-0C-F7, 00-1E-1F, 00-1C-17, 00-1F-DA, 00-1F-9A, 00-14-C7, 00-15-40, 00-17-D1, 00-15-E8, 00-16-60, 00-1B-BA, 00-03-4B