Tom.be

Subnet
Calculator
Merger
Name

Subnet details 123.33.16.0/21

Network address 123.33.16.0
Prefix length 21 (255.255.248.0)
Range 123.33.16.0 - 123.33.23.255
Hexadecimal 7b211000
Binary 01111011 00100001 00010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 123.33.16.0/20🔍
Previous subnet 123.33.8.0/21🔍
Next subnet 123.33.24.0/21🔍

Subnet tree

Netblock 112.0.0.0/4🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 122.0.0.0/7🔍 APNIC-AP (AU)
Netblock 123.0.0.0/8🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 123.0.0.0/9🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 123.32.0.0/12🔍 SAMSUNGSDS (KR)