Tom.be

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Subnet details 81.87.128.0/20

Network address 81.87.128.0
Prefix length 20 (255.255.240.0)
Range 81.87.128.0 - 81.87.143.255
Hexadecimal 51578000
Binary 01010001 01010111 10000000 00000000
Binary subnet mask 11111111 11111111 11110000 00000000
Number of hosts 4,096
Parent subnet 81.87.128.0/19🔍
Previous subnet 81.87.112.0/20🔍
Next subnet 81.87.144.0/20🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.87.0.0/16🔍 AS786 JANET Jisc Services Limited (GB)🔍
Netblock 81.87.0.0/16🔍 UK-JANET-20020617 (GB)