OUI Lookup

001938

UMB Communications Co., Ltd.

Manufacturer Information

OUI Prefix
001938
Manufacturer
UMB Communications Co., Ltd.
Address
1010, 5, ACE Techno Tower, 197-22, Guro-dong, Guro-gu Seoul KR 151-766
Last updated
6/11/2026

Vendor Statistics

Total prefixes
1
Block type
MA-L
Available addresses
~16 millones

About prefix 001938

The OUI prefix 001938 is assigned to UMB Communications Co., Ltd., based in 1010, 5, ACE Techno Tower, 197-22, Guro-dong, Guro-gu Seoul KR 151-766 . 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 UMB Communications Co., Ltd..