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Subnet details 81.77.0.0/21

Network address 81.77.0.0
Prefix length 21 (255.255.248.0)
Range 81.77.0.0 - 81.77.7.255
Hexadecimal 514d0000
Binary 01010001 01001101 00000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.77.0.0/20🔍
Previous subnet 81.76.248.0/21🔍
Next subnet 81.77.8.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.76.0.0/14🔍 AS5378 unspecified (GB)🔍
Netblock 81.76.0.0/14🔍 UK-VODAFONE-WORLDWIDE-20020306 (GB)