OUI Lookup
18efc0
Sercomm Japan Corporation
Manufacturer Information
- OUI Prefix
- 18efc0
- Manufacturer
- Sercomm Japan Corporation
- Address
- 8F, 3-1, YuanQu St., NanKang, Taipei 115, Taiwan Taipei TW 115
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 2
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 18EFC0
The OUI prefix 18EFC0 is assigned to Sercomm Japan Corporation, based in 8F, 3-1, YuanQu St., NanKang, Taipei 115, Taiwan Taipei TW 115 . 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 Sercomm Japan Corporation.