Tom.be

Subnet
Calculator
Merger
Name

Subnet details 203.65.240.0/21

Network address 203.65.240.0
Prefix length 21 (255.255.248.0)
Range 203.65.240.0 - 203.65.247.255
Hexadecimal cb41f000
Binary 11001011 01000001 11110000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 203.65.240.0/20🔍
Previous subnet 203.65.232.0/21🔍
Next subnet 203.65.248.0/21🔍

Subnet tree

Netblock 203.0.0.0/8🔍 APNIC-AP (AU)
Netblock 203.64.0.0/12🔍 TANET (TW)
Netblock 203.64.0.0/14🔍 TWNIC-TW (TW)
Netblock 203.65.224.0/19🔍 UNET (TW)