Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.121.168.0/21

Network address 81.121.168.0
Prefix length 21 (255.255.248.0)
Range 81.121.168.0 - 81.121.175.255
Hexadecimal 5179a800
Binary 01010001 01111001 10101000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.121.160.0/20🔍
Previous subnet 81.121.160.0/21🔍
Next subnet 81.121.176.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Netblock 81.112.0.0/12🔍 IT-DATACOM-TI-20020708 (IT)
Route 81.120.0.0/14🔍 AS3269 ASN-IBSNAZ (IT)🔍