MAC Address Lookup

Shenzhen SEI Robotics Co.,Ltd D4:CF:F9

D4:CF:F9 is a 24-bit MA-L MAC address block registered to Shenzhen SEI Robotics Co.,Ltd in CN.

Vendor

Shenzhen SEI Robotics Co.,Ltd

MA-L · 24-bit
D4:CF:F9

Unicast · Universally administered (U/L bit clear)

Matched prefix
D4:CF:F9
Match
MA-L assignment
Address range
D4:CF:F9:00:00:00 – D4:CF:F9:FF:FF:FF
Addresses in block
16,777,216
Country
CN
Organization address
501,Productivity Building A, #5 Hi-Tech Middle 2nd Road Shenzhen Guangdong CN 518057
First registered
Jan 29, 2014

Formats

  • Plain hex D4CFF9
  • Colon-separated D4:CF:F9
  • Hyphen-separated D4-CF-F9
  • Cisco dot notation D4CF.F9

Prefix lineage

This prefix has changed hands. Dates are when each change was first observed in public registration data (runZero mac-tracker).

  1. Shenzhen Sen5 Technology Co., Ltd. Jan 29, 2014
  2. Shenzhen SEI Robotics Co.,Ltd Dec 25, 2019