78:72:64:50:00:00 to 78:72:64:5F:FF:FF
CALTTA TECHNOLOGIES CO.,LTD.
Inspect this prefixRegistered address
Building G2, International E-City, Nanshan District,
ShenZhen Guangdong 518052
Block details
- Registry
- MA-M, MAC Address Block Medium (OUI-28)
- Prefix
- 78:72:64:5 /28
- Addresses in block
- 1,048,576
- Decimal range
- 132,432,704,569,344 to 132,432,705,617,919
- Address type
- Unicast, universally administered
What this block covers
A 28 bit block. Sixteen of these fit inside one 24 bit prefix, so the first three octets are shared with other registrants.
Any MAC address between 78:72:64:50:00:00 and 78:72:64:5F:FF:FF belongs to this assignment. The registrant chooses the remaining 20 bits, so the same prefix can appear on very different products from the same company.