MAC address 74:A2:35:1 (Efference)

MAC address prefix 74:A2:35:1 is registered to Efference, located at 1643 Powell St, San Francisco CA 94133, US. This registration is classified as MA-M (MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20). The prefix was registered on 17 June 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation

Assigned Prefix

74:A2:35:1

Registrant / Organization

Efference

Registry Chronology

Initial registration: 17 June 2026

Assignment Classification

MA-M

(MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20)

Registered Location

Country: United States (US)

Headquarters Registered Facility 🇺🇸 US

1643 Powell St
San Francisco CA 94133
US.

REST API v2

200 OK

CLI curl -s https://api.maclookup.app/v2/macs/74a2351 -H 'Accept: application/json'

{
  "success": true,
  "found": true,
  "macPrefix": "74A2351",
  "company": "Efference",
  "address": "1643 Powell St, San Francisco CA 94133, US",
  "country": "US",
  "blockStart": "74A235100000",
  "blockEnd": "74A2351FFFFF",
  "blockSize": 1048575,
  "blockType": "MA-M",
  "updated": "2026-06-17",
  "isRand": false,
  "isPrivate": false
}