MAC address 20:99:EC (1AN Inc.)

MAC address prefix 20:99:EC is registered to 1AN Inc., located at 405, Busan Knowledge Industry Center Uam, 2, Sinseon-ro, Nam-gu, Busan 48480, KR. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 10 November 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
20:99:EC
Registrant / Organization
1AN Inc.
Registry Chronology
Initial registration: 10 November 2026
Assignment Classification
MA-L

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

Registered Location

MAC Address Vendor Country South Korea (KR) map
Country: South Korea (KR)
Headquarters Registered Facility 🇰🇷 KR
405
Busan Knowledge Industry Center Uam
2
Sinseon-ro
Nam-gu
Busan 48480
KR.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/2099ec -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "2099EC",
  "company": "1AN Inc.",
  "address": "405, Busan Knowledge Industry Center Uam, 2, Sinseon-ro, Nam-gu, Busan  48480, KR",
  "country": "KR",
  "blockStart": "2099EC000000",
  "blockEnd": "2099ECFFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-11-10",
  "isRand": false,
  "isPrivate": false
}