OUI Lookup
581d91
Advanced Mobile Telecom co.,ltd.
Manufacturer Information
- OUI Prefix
- 581d91
- Manufacturer
- Advanced Mobile Telecom co.,ltd.
- Address
- #608, Yatap Leaders Bldg. 342-1 Seongnam-si Gyeonggi-do KR 463-828
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 581D91
The OUI prefix 581D91 is assigned to Advanced Mobile Telecom co.,ltd., based in #608, Yatap Leaders Bldg. 342-1 Seongnam-si Gyeonggi-do KR 463-828 . 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 Advanced Mobile Telecom co.,ltd..