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Subnet details 81.31.128.0/20

Network address 81.31.128.0
Prefix length 20 (255.255.240.0)
Range 81.31.128.0 - 81.31.143.255
Hexadecimal 511f8000
Binary 01010001 00011111 10000000 00000000
Binary subnet mask 11111111 11111111 11110000 00000000
Number of hosts 4,096
Parent subnet 81.31.128.0/19🔍
Previous subnet 81.31.112.0/20🔍
Next subnet 81.31.144.0/20🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.31.128.0/20🔍 AS20115 Charter-Communications-CHARTER-20115 Charter-Communications-CHARTER-20115 (US)🔍
Netblock 81.31.128.0/20🔍 MD-7REASONS-20020531 (US)