OUI Lookup
20ac9c
China Telecom Corporation Limited
Manufacturer Information
- OUI Prefix
- 20ac9c
- Manufacturer
- China Telecom Corporation Limited
- Address
- 31 Jinrong Street, Xicheng District, Beijing, China Beijing, China CN 100033
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 20AC9C
The OUI prefix 20AC9C is assigned to China Telecom Corporation Limited, based in 31 Jinrong Street, Xicheng District, Beijing, China Beijing, China CN 100033 . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to China Telecom Corporation Limited.