What this means
The IEEE assigned the MA-S block 70B3D5163 to BHARAT HEAVY ELECTRICALS LIMITED. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 70:B3:D5:16:3, it is BHARAT HEAVY ELECTRICALS LIMITED hardware.
Frequently Asked Questions
Who owns MAC prefix 70B3D5163?
70B3D5163 is registered to BHARAT HEAVY ELECTRICALS LIMITED in the IEEE MA-S registry.
What does the MA-S registry type mean?
An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. BHARAT HEAVY ELECTRICALS LIMITED's block covers 4,096 addresses.
What devices use 70B3D5163?
Any network device with a MAC address starting 70:B3:D5:16:3 was manufactured by or for BHARAT HEAVY ELECTRICALS LIMITED.