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Subnet details 81.57.0.0/16

Network address 81.57.0.0
Prefix length 16 (255.255.0.0)
Range 81.57.0.0 - 81.57.255.255
Hexadecimal 51390000
Binary 01010001 00111001 00000000 00000000
Binary subnet mask 11111111 11111111 00000000 00000000
Number of hosts 65,536
Parent subnet 81.56.0.0/15🔍
Previous subnet 81.56.0.0/16🔍
Next subnet 81.58.0.0/16🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.56.0.0/15🔍 AS29447 TIF-AS Iliad Italia S p A (FR)🔍
Netblock 81.56.0.0/15🔍 FR-PROXAD-20021115 (IT)
Netblock 81.57.0.0/16🔍 IT-ILIAD-FTTH (IT)