MAC prefix 70:BF:3E
Charles River Laboratories
| Vendor | Charles River Laboratories |
|---|---|
| Short name | CharlesRiver |
| Prefix | 70:BF:3E/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 70:BF:3E:00:00:00 – 70:BF:3E:FF:FF:FF |
| Notations | 70:BF:3E:00:00:0070-BF-3E-00-00-0070bf.3e00.000070BF3E000000 |
Frequently asked questions
Which vendor does MAC address 70:BF:3E belong to?
MAC addresses starting with 70:BF:3E are assigned to Charles River Laboratories according to the IEEE registry (prefix length 24 bits).
How many addresses does block 70:BF:3E contain?
The block contains 16,777,216 addresses from 70:BF:3E:00:00:00 to 70:BF:3E:FF:FF:FF.
Is 70:BF:3E a unicast or multicast address?
The least significant bit of the first byte is 0 – it is a unicast address. The U/L bit is 0, so the address is globally unique (universally administered).
How do I find the MAC address of my device?
On Linux use ip link, on Windows getmac /v or ipconfig /all, on macOS ifconfig. Note: phones and recent operating systems often use random, locally administered addresses on Wi-Fi.