MAC address 38:B1:4E (IEEE Registration Authority)

MAC address prefix 38:B1:4E is registered to IEEE Registration Authority, located at 445 Hoes Lane, Piscataway NJ 08554, US. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 04 March 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
38:B1:4E
Registrant / Organization
IEEE Registration Authority
Registry Chronology
Initial registration: 04 March 2026
Assignment Classification
MA-L

(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)

Registered Location

MAC Address Vendor Country United States (US) map
Country: United States (US)
Headquarters Registered Facility 🇺🇸 US
445 Hoes Lane
Piscataway NJ 08554
US.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/38b14e -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "38B14E",
  "company": "IEEE Registration Authority",
  "address": "445 Hoes Lane, Piscataway NJ 08554, US",
  "country": "US",
  "blockStart": "38B14E000000",
  "blockEnd": "38B14EFFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-03-04",
  "isRand": false,
  "isPrivate": false
}