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Subnet details 81.80.136.0/21

Network address 81.80.136.0
Prefix length 21 (255.255.248.0)
Range 81.80.136.0 - 81.80.143.255
Hexadecimal 51508800
Binary 01010001 01010000 10001000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.80.128.0/20🔍
Previous subnet 81.80.128.0/21🔍
Next subnet 81.80.144.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.80.0.0/16🔍 AS3215 AS3215 (FR)🔍
Netblock 81.80.0.0/16🔍 FR-TELECOM-20020326 (FR)