Free MAC Address Lookup
Free MAC Address Lookup
MAC OUI to vendor, device type, manufacturing details from IEEE registry.
99%
Match accuracy
1
Sources
What is free mac address lookup
MAC OUI (first 24 bits) maps to a vendor in the IEEE registry. Skopio enriches with device-type inference and historical assignment data.
Why it matters
Network forensics, BYOD audits, IoT inventory.
Who uses it and why
Real scenarios from different teams
Unknown device on network. What is it?
→ MAC to vendor + device type in one query.
Inventory all devices in office network.
→ Bulk MAC lookup via API.
Where the data comes from
Every source is legitimate and transparent. Each finding cites its origin.
1
IEEE OUI registry
Authoritative vendor assignments.
Sample reports
Real values masked. Structure and fields are exactly as in production.
00:1A:2B:3C:4D:5E
Cisco Systems · Network equipment
- ✓Vendor: Cisco Systems
- ✓OUI assigned 2003
- ✓Device class: enterprise router/switch
Frequently asked questions
Free?+
Yes, MAC lookup never charges.
Spoofed MACs?+
We return what the OUI says. Spoofing detection is up to your network monitoring.
Bulk?+
Enterprise API supports bulk.
Skopio compared to alternatives
Objective comparison for this category
Skopio vs
Wireshark OUI lookup
Hosted, with device-type inference.
Static OUI list, no inference.