Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.17.242.0/25

Network address 81.17.242.0
Prefix length 25 (255.255.255.128)
Range 81.17.242.0 - 81.17.242.127
Hexadecimal 5111f200
Binary 01010001 00010001 11110010 00000000
Binary subnet mask 11111111 11111111 11111111 10000000
Number of hosts 128
Parent subnet 81.17.242.0/24🔍
Previous subnet 81.17.241.128/25🔍
Next subnet 81.17.242.128/25🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.17.240.0/20🔍 AS39122 BLACKNIGHT-AS (IE)🔍
Netblock 81.17.240.0/20🔍 IE-BLACKNIGHT-20051216 (IE)