7C:83:34:30:00:00 to 7C:83:34:3F:FF:FF
Beijing Changkun Technology Co., Ltd.
Inspect this prefixRegistered address
Room 821-1, unit 2, floor 10, building 1, No. 3, Rongjing East Street, Beijing Economic Development Zone
Beijing Beijing 100176
Block details
- Registry
- MA-M, MAC Address Block Medium (OUI-28)
- Prefix
- 7C:83:34:3 /28
- Addresses in block
- 1,048,576
- Decimal range
- 136,902,958,120,960 to 136,902,959,169,535
- 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 7C:83:34:30:00:00 and 7C:83:34:3F: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.