70:B3:D5:4A:1 Herholdt Controls srl
Every MAC address from 70:B3:D5:4A:10:00 to 70:B3:D5:4A:1F:FF belongs to a block the IEEE assigned to Herholdt Controls srl. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:4A:1 belongs to
Written 70:B3:D5:4A:1, 70-B3-D5-4A-1 or 70B3D54A1, depending on the system. Look up a full address.
Prefix
70:B3:D5:4A:1/36
Organization
Herholdt Controls srl
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:4A:10:00
Last address
70:B3:D5:4A:1F:FF
Address type
Globally unique, unicast
Registered address
Via Mestre 13 Milan IT 20132
Parent block
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.
Same organization
Other blocks assigned to Herholdt Controls srl
2 more blocks registered under the same name.