Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.20.144.0/23

Network address 81.20.144.0
Prefix length 23 (255.255.254.0)
Range 81.20.144.0 - 81.20.145.255
Hexadecimal 51149000
Binary 01010001 00010100 10010000 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 81.20.144.0/22🔍
Previous subnet 81.20.142.0/23🔍
Next subnet 81.20.146.0/23🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.20.144.0/20🔍 AS3249 ESTPAK (EE)🔍
Netblock 81.20.144.0/20🔍 EE-ESTPAK-20060110 (EE)