Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.52.138.0/23

Network address 81.52.138.0
Prefix length 23 (255.255.254.0)
Range 81.52.138.0 - 81.52.139.255
Hexadecimal 51348a00
Binary 01010001 00110100 10001010 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 81.52.136.0/22🔍
Previous subnet 81.52.136.0/23🔍
Next subnet 81.52.140.0/23🔍

Subnet tree

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