MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 00:1B:C5 (IEEE Registration Authority)
MAC address prefix 00:1B:C5 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 initially registered on 09 April 2007, with the most recent update made on 27 April 2016.
Vendor & Registry Dossier
Assigned Prefix
00:1B:C5
Registrant / Organization
Registry Chronology
Initial registration: 09 April 2007
Last updated: 27 April 2016
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
445 Hoes Lane
Piscataway NJ 08554
US.
Piscataway NJ 08554
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/001bc5 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "001BC5",
"company": "IEEE Registration Authority",
"address": "445 Hoes Lane, Piscataway NJ 08554, US",
"country": "US",
"blockStart": "001BC5000000",
"blockEnd": "001BC5FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2016-04-27",
"isRand": false,
"isPrivate": false
}