Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.0.2.0/23

Network address 81.0.2.0
Prefix length 23 (255.255.254.0)
Range 81.0.2.0 - 81.0.3.255
Hexadecimal 51000200
Binary 01010001 00000000 00000010 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 81.0.0.0/22🔍
Previous subnet 81.0.0.0/23🔍
Next subnet 81.0.4.0/23🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.0.0.0/18🔍 AS15704 AS15704 (ES)🔍
Netblock 81.0.0.0/18🔍 ES-MUNDITELECOM-20011130 (ES)
Netblock 81.0.0.0/19🔍 IBERCOMNET (ES)