MAC address 8C:D1:21 (Juniper Networks)

MAC address prefix 8C:D1:21 is registered to Juniper Networks, located at 1133 Innovation Way, Sunnyvale CA 94089, 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 13 October 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation

Assigned Prefix

8C:D1:21

Registrant / Organization

Juniper Networks

Registry Chronology

Initial registration: 13 October 2026

Assignment Classification

MA-L

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

Registered Location

Country: United States (US)

Headquarters Registered Facility 🇺🇸 US

1133 Innovation Way
Sunnyvale CA 94089
US.

REST API v2

200 OK

CLI curl -s https://api.maclookup.app/v2/macs/8cd121 -H 'Accept: application/json'

{
  "success": true,
  "found": true,
  "macPrefix": "8CD121",
  "company": "Juniper Networks",
  "address": "1133 Innovation Way, Sunnyvale CA 94089, US",
  "country": "US",
  "blockStart": "8CD121000000",
  "blockEnd": "8CD121FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-10-13",
  "isRand": false,
  "isPrivate": false
}