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Subnet details 81.81.200.0/21

Network address 81.81.200.0
Prefix length 21 (255.255.248.0)
Range 81.81.200.0 - 81.81.207.255
Hexadecimal 5151c800
Binary 01010001 01010001 11001000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.81.192.0/20🔍
Previous subnet 81.81.192.0/21🔍
Next subnet 81.81.208.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Netblock 81.81.0.0/16🔍 IT-WIND-20020410 (IT)
Netblock 81.81.128.0/17🔍 IUNET-BNET-81-NORTH (IT)