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70:B3:D5:7D:8 Nuand LLC

Every MAC address from 70:B3:D5:7D:80:00 to 70:B3:D5:7D:8F:FF belongs to a block the IEEE assigned to Nuand LLC. Network cards, phones and other devices it makes carry addresses from here.

Who 70:B3:D5:7D:8 belongs to

Written 70:B3:D5:7D:8, 70-B3-D5-7D-8 or 70B3D57D8, depending on the system. Look up a full address.

Prefix
70:B3:D5:7D:8/36
Organization
Nuand LLC
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:7D:80:00
Last address
70:B3:D5:7D:8F:FF
Address type
Globally unique, unicast
Registered address
680 Mission Street #41H San Francisco CA US 94105

Inside 70:B3:D5

This MA-S block is carved from the 24-bit block 70:B3:D5, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.