18:74:E2:20:00:00 to 18:74:E2:2F:FF:FF
Shenzhen WITSTECH Co.,Ltd.
Inspect this prefixRegistered address
5D4, Block CD, Tianji Building, Tian'an Digital City, Futian District, Shenzhen
Shenzhen Guangdong?China 518040
Block details
- Registry
- MA-M, MAC Address Block Medium (OUI-28)
- Prefix
- 18:74:E2:2 /28
- Addresses in block
- 1,048,576
- Decimal range
- 26,890,289,020,928 to 26,890,290,069,503
- 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 18:74:E2:20:00:00 and 18:74:E2:2F: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.