Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.54.88.0/21

Network address 81.54.88.0
Prefix length 21 (255.255.248.0)
Range 81.54.88.0 - 81.54.95.255
Hexadecimal 51365800
Binary 01010001 00110110 01011000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.54.80.0/20🔍
Previous subnet 81.54.80.0/21🔍
Next subnet 81.54.96.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Netblock 81.48.0.0/13🔍 FR-TELECOM-20020325 (FR)
Netblock 81.54.0.0/16🔍 TRANSIT-VPN (FR)