MAC Address Lookup

IEEE I&M Society TC9 00:1B:19

00:1B:19 is a 24-bit MA-L MAC address block registered to IEEE I&M Society TC9 in US.

Vendor

IEEE I&M Society TC9

MA-L · 24-bit
00:1B:19

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:1B:19
Match
MA-L assignment
Address range
00:1B:19:00:00:00 – 00:1B:19:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
100 Bureau Dr., Mail Stop 8220 Gaithersburg MD US 20899-8220
First registered
Jan 16, 2007

Formats

  • Plain hex 001B19
  • Colon-separated 00:1B:19
  • Hyphen-separated 00-1B-19
  • Cisco dot notation 001B.19

Prefix lineage

This prefix has changed hands. Dates are when each change was first observed in public registration data (runZero mac-tracker).

  1. IEEE 1588 Standard Jan 16, 2007
  2. IEEE I&M Society TC9 Nov 20, 2010