Tom.be

Subnet
Calculator
Merger
Name

Subnet details 123.200.128.0/21

Network address 123.200.128.0
Prefix length 21 (255.255.248.0)
Range 123.200.128.0 - 123.200.135.255
Hexadecimal 7bc88000
Binary 01111011 11001000 10000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 123.200.128.0/20🔍
Previous subnet 123.200.120.0/21🔍
Next subnet 123.200.136.0/21🔍

Subnet tree

Netblock 122.0.0.0/7🔍 APNIC-AP (AU)
Netblock 123.200.128.0/18🔍 ISEEK (AU)
Route 123.200.128.0/19🔍 AS9723 ISEEK-AS-AP iseek Communications Pty Ltd (AU)🔍
Netblock 123.200.128.0/21🔍 ISEEK (AU)