Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.75.144.0/21

Network address 81.75.144.0
Prefix length 21 (255.255.248.0)
Range 81.75.144.0 - 81.75.151.255
Hexadecimal 514b9000
Binary 01010001 01001011 10010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.75.144.0/20🔍
Previous subnet 81.75.136.0/21🔍
Next subnet 81.75.152.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.72.0.0/14🔍 AS3269 ASN-IBSNAZ (IT)🔍
Netblock 81.72.0.0/14🔍 IT-TIWS-20020118 (IT)