macadress
macadress.com is a MAC address lookup tool that goes beyond simply returning a vendor name.
Our verdict
Who it's for
Deep MAC address analysis beyond vendor lookup
Who should look elsewhere
Free API limited to a set number of lookups per month; paid plans needed for moderate usage
Pros
- +Explains the reasoning behind each result in plain English
- +Flags randomized MAC addresses to help detect privacy-related spoofing
- +Free tier includes a real API key instantly without approval delays
Cons
- −Free API limited to a set number of lookups per month; paid plans needed for moderate usage
- −Self-hosted license has a price that may be costly for small teams
Key features
- ✓Free web-based MAC address lookup with no account required
- ✓REST API with 1,000 free lookups/month (no credit card needed)
- ✓Detailed results: vendor, country, block range, address capacity, transmission type, administration type
- ✓Randomization detection with confidence indicator
- ✓IEEE 802c SLAP quadrant classification and EUI-64/IPv6 link-local derivation
- ✓Batch endpoint supporting up to 100 addresses per request
- ✓Self-hosted deployment option licensed per deployment
- ✓Recurring IEEE registry sync for up-to-date vendor data
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Free | $0 | month | 1,000 lookups / month; 30 requests / minute; Full response, every field |
| Growth | $19 | month | 100,000 lookups / month; 120 requests / minute; 20% overage grace, then paused until renewal |
| Scale | $79 | month | 1,000,000 lookups / month; 600 requests / minute; 20% overage grace, then paused until renewal |
| Self-hosted | $999 | month | Unlimited local queries; Installable via .deb package; Scheduled IEEE registry updates, same sync engine we run |
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