Tom.be

Subnet
Calculator
Merger
Name

Subnet details 203.57.136.0/21

Network address 203.57.136.0
Prefix length 21 (255.255.248.0)
Range 203.57.136.0 - 203.57.143.255
Hexadecimal cb398800
Binary 11001011 00111001 10001000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 203.57.128.0/20🔍
Previous subnet 203.57.128.0/21🔍
Next subnet 203.57.144.0/21🔍

Subnet tree

Netblock 203.0.0.0/8🔍 APNIC-AP (AU)
Route 203.57.128.0/20🔍 AS17635 GOLDNETPTYLTD-AS-AP GoldNet Pty Ltd (AU)🔍
Netblock 203.57.128.0/20🔍 GOLDNETPTYLTD-AU (AU)