SHANGHAI CHENZHU INSTRUMENT CO., LTD.

MAC address prefix 04:EC:A9:6 is registered to SHANGHAI CHENZHU INSTRUMENT CO., LTD., located at Building 6201 Minyi RoadSongjiang DistrictShanghai 201612CN.

This registration is classified as MA-M (Mac Address Block Medium) containing approximately 16 million MAC addresses

The prefix was registered on 21 August 2026, and no subsequent updates have been recorded.

OUI: 04:EC:A9:6

Vendor name: SHANGHAI CHENZHU INSTRUMENT CO., LTD.

Address:

Building 6
201 Minyi Road
Songjiang District
Shanghai 201612
CN.

Assignment Type MA-M

Mac Address Block Medium. Number of address 2^20 (~1 Million)

Initial registration: 21 August 2026

MAC Address Vendor Country CN map