00:19:38 UMB Communications Co., Ltd.
Every MAC address from 00:19:38:00:00:00 to 00:19:38:FF:FF:FF belongs to a block the IEEE assigned to UMB Communications Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:19:38 belongs to
Written 00:19:38, 00-19-38 or 001938, depending on the system. Look up a full address.
Prefix
00:19:38
Organization
UMB Communications Co., Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:19:38:00:00:00
Last address
00:19:38:FF:FF:FF
Address type
Globally unique, unicast
Registered address
1010, 5, ACE Techno Tower, 197-22, Guro-dong, Guro-gu Seoul KR 151-766