Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.15.64.0/20

Network address 81.15.64.0
Prefix length 20 (255.255.240.0)
Range 81.15.64.0 - 81.15.79.255
Hexadecimal 510f4000
Binary 01010001 00001111 01000000 00000000
Binary subnet mask 11111111 11111111 11110000 00000000
Number of hosts 4,096
Parent subnet 81.15.64.0/19🔍
Previous subnet 81.15.48.0/20🔍
Next subnet 81.15.80.0/20🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.15.0.0/17🔍 AS12969 Vodafone Iceland (IS)🔍
Netblock 81.15.0.0/17🔍 IS-OR-20020805 (IS)