MAC Address Lookup

Cabletron Systems, Inc. 00:20:D4

00:20:D4 is a 24-bit MA-L MAC address block registered to Cabletron Systems, Inc. in US.

Vendor

Cabletron Systems, Inc.

MA-L · 24-bit
00:20:D4

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:20:D4
Match
MA-L assignment
Address range
00:20:D4:00:00:00 – 00:20:D4:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
35 INDUSTRIAL WAY ROHESTER NH US 03866-5005
First registered
Apr 22, 1998

Formats

  • Plain hex 0020D4
  • Colon-separated 00:20:D4
  • Hyphen-separated 00-20-D4
  • Cisco dot notation 0020.D4

Prefix lineage

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

  1. ZEITNET INC. Apr 22, 1998
  2. CABLETRON - ZEITTNET INC. Sep 8, 2000
  3. Cabletron Systems, Inc. Nov 3, 2015