28:2C:02:90:00:00 to 28:2C:02:9F:FF:FF
Systec Intelligent Building Technology (Tianjin) Co.,Ltd.
Inspect this prefixRegistered address
Room 1312, Building D, HI-Tech. Information Square, No.8 Huatian Rd., Huayuan HI-Tech. Park
Tianjin 300384
Block details
- Registry
- MA-M, MAC Address Block Medium (OUI-28)
- Prefix
- 28:2C:02:9 /28
- Addresses in block
- 1,048,576
- Decimal range
- 44,169,486,663,680 to 44,169,487,712,255
- 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 28:2C:02:90:00:00 and 28:2C:02:9F: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.