MAC prefix C4:DD:57

Assigned by the IEEE to Espressif Inc..

Prefix: C4:DD:57 C4-DD-57 C4DD.57
Block type: MA-L (16,777,216 addresses)
Address range: C4:DD:57:00:00:00 – C4:DD:57:FF:FF:FF
Organization: Espressif Inc.
Registered address: Room 204, Building 2, 690 Bibo Rd, Pudong New Area, Shanghai Shanghai 201203, CN
Country: China (CN)
Address bits: Unicast (I/G bit 0), globally unique (U/L bit 0)

Espressif Inc. holds 170 blocks in total: see all. Source: IEEE Registration Authority public listing.