Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.99.56.0/23

Network address 81.99.56.0
Prefix length 23 (255.255.254.0)
Range 81.99.56.0 - 81.99.57.255
Hexadecimal 51633800
Binary 01010001 01100011 00111000 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 81.99.56.0/22🔍
Previous subnet 81.99.54.0/23🔍
Next subnet 81.99.58.0/23🔍

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 81.99.48.0/20🔍 VMCBBUK (GB)