MAC address 00:23:E9 (F5 Inc.)

MAC address prefix 00:23:E9 is registered to F5 Inc., located at 401 Elliott Ave. W., Seattle WA 98119, US. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was initially registered on 25 October 2008, with the most recent update made on 03 June 2025.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
00:23:E9
Registrant / Organization
F5 Inc.
Registry Chronology
Initial registration: 25 October 2008
Last updated: 03 June 2025
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
401 Elliott Ave. W.
Seattle WA 98119
US.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/0023e9 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "0023E9",
  "company": "F5 Inc.",
  "address": "401 Elliott Ave. W., Seattle WA 98119, US",
  "country": "US",
  "blockStart": "0023E9000000",
  "blockEnd": "0023E9FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2025-06-03",
  "isRand": false,
  "isPrivate": false
}