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Subnet details 81.221.240.0/20

Network address 81.221.240.0
Prefix length 20 (255.255.240.0)
Range 81.221.240.0 - 81.221.255.255
Hexadecimal 51ddf000
Binary 01010001 11011101 11110000 00000000
Binary subnet mask 11111111 11111111 11110000 00000000
Number of hosts 4,096
Parent subnet 81.221.224.0/19🔍
Previous subnet 81.221.224.0/20🔍
Next subnet 81.222.0.0/20🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.221.0.0/16🔍 AS1836 GREEN green ch AG Autonomous System (CH)🔍
Netblock 81.221.0.0/16🔍 CH-GREEN-20021126 (CH)