Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.100.72.0/22

Network address 81.100.72.0
Prefix length 22 (255.255.252.0)
Range 81.100.72.0 - 81.100.75.255
Hexadecimal 51644800
Binary 01010001 01100100 01001000 00000000
Binary subnet mask 11111111 11111111 11111100 00000000
Number of hosts 1,024
Parent subnet 81.100.72.0/21🔍
Previous subnet 81.100.68.0/22🔍
Next subnet 81.100.76.0/22🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.96.0.0/12🔍 AS5089 NTL (GB)🔍
Netblock 81.96.0.0/12🔍 UK-NTLI-20020614 (GB)
Netblock 81.100.64.0/20🔍 VMCBBUK (GB)