Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.18.31.128/25

Network address 81.18.31.128
Prefix length 25 (255.255.255.128)
Range 81.18.31.128 - 81.18.31.255
Hexadecimal 51121f80
Binary 01010001 00010010 00011111 10000000
Binary subnet mask 11111111 11111111 11111111 10000000
Number of hosts 128
Parent subnet 81.18.31.0/24🔍
Previous subnet 81.18.31.0/25🔍
Next subnet 81.18.32.0/25🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.18.16.0/20🔍 AS50785 AS-NETRICS Switzerland (CH)🔍
Netblock 81.18.16.0/20🔍 NETRICS (CH)
Netblock 81.18.31.0/24🔍 NETRICS (CH)