OUI Lookup
00199c
CTRING
Manufacturer Information
- OUI Prefix
- 00199c
- Manufacturer
- CTRING
- Address
- #514, World Meridian Venture Center II Keumcheon-gu Seoul KR 153-803
- Last updated
- 6/9/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00199C
The OUI prefix 00199C is assigned to CTRING, based in #514, World Meridian Venture Center II Keumcheon-gu Seoul KR 153-803 . 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 CTRING.