Tom.be

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Subnet details 81.91.128.0/20

Network address 81.91.128.0
Prefix length 20 (255.255.240.0)
Range 81.91.128.0 - 81.91.143.255
Hexadecimal 515b8000
Binary 01010001 01011011 10000000 00000000
Binary subnet mask 11111111 11111111 11110000 00000000
Number of hosts 4,096
Parent subnet 81.91.128.0/19🔍
Previous subnet 81.91.112.0/20🔍
Next subnet 81.91.144.0/20🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.91.128.0/20🔍 AS25124 DATAK Rightel Communication Service Company PJS (IR)🔍
Netblock 81.91.128.0/20🔍 IR-DATAK-20020718 (IR)