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Subnet details 81.63.16.0/20

Network address 81.63.16.0
Prefix length 20 (255.255.240.0)
Range 81.63.16.0 - 81.63.31.255
Hexadecimal 513f1000
Binary 01010001 00111111 00010000 00000000
Binary subnet mask 11111111 11111111 11110000 00000000
Number of hosts 4,096
Parent subnet 81.63.0.0/19🔍
Previous subnet 81.63.0.0/20🔍
Next subnet 81.63.32.0/20🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.62.0.0/15🔍 AS3303 SWISSCOM Swisscom Switzerland Ltd (CH)🔍
Netblock 81.62.0.0/15🔍 CH-BLUEWINDOW-20021217 (CH)
Route 81.63.0.0/17🔍 AS60633 SWISSCOM-MPLS-TRANSIT Swisscom MPLS VPN Transit Network (CH)🔍
Netblock 81.63.0.0/18🔍 BLUEWINNET (CH)