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Subnet details 81.255.240.0/21

Network address 81.255.240.0
Prefix length 21 (255.255.248.0)
Range 81.255.240.0 - 81.255.247.255
Hexadecimal 51fff000
Binary 01010001 11111111 11110000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.255.240.0/20🔍
Previous subnet 81.255.232.0/21🔍
Next subnet 81.255.248.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Netblock 81.248.0.0/13🔍 FR-TELECOM-20030213 (FR)
Route 81.254.0.0/15🔍 AS3215 AS3215 (FR)🔍