OUI Lookup
502b98
Es-tech International
Manufacturer Information
- OUI Prefix
- 502b98
- Manufacturer
- Es-tech International
- Address
- 228-70, Saneop-ro 155beon-gil, Gwonseon-gu, Suwon-si, Gyeonggi-do, Korea Suwon KR 16648
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 502B98
The OUI prefix 502B98 is assigned to Es-tech International, based in 228-70, Saneop-ro 155beon-gil, Gwonseon-gu, Suwon-si, Gyeonggi-do, Korea Suwon KR 16648 . 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 Es-tech International.