Proximus sp. z .o.o. 18:C3:E4:3

18:C3:E4:3 is a 28-bit MA-M MAC address block registered to Proximus sp. z .o.o. in PL.

Vendor

Proximus sp. z .o.o.

MA-M · 28-bit

18:C3:E4:3

Unicast · Universally administered (U/L bit clear)

Matched prefix: 18:C3:E4:3
Match: MA-M assignment
Address range: 18:C3:E4:30:00:00 – 18:C3:E4:3F:FF:FF
Addresses in block: 1,048,576
Country: PL
Organization address: ul. Piatkowska 163 Poznan PL 60-650
First registered: Feb 17, 2026

Formats

Plain hex 18C3E43
Colon-separated 18:C3:E4:3
Hyphen-separated 18-C3-E4-3
Cisco dot notation 18C3.E43