Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.255.0.0/18

Network address 81.255.0.0
Prefix length 18 (255.255.192.0)
Range 81.255.0.0 - 81.255.63.255
Hexadecimal 51ff0000
Binary 01010001 11111111 00000000 00000000
Binary subnet mask 11111111 11111111 11000000 00000000
Number of hosts 16,384
Parent subnet 81.255.0.0/17🔍
Previous subnet 81.254.192.0/18🔍
Next subnet 81.255.64.0/18🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Netblock 81.248.0.0/13🔍 FR-TELECOM-20030213 (FR)
Route 81.254.0.0/15🔍 AS3215 AS3215 (FR)🔍