Tom.be

Subnet
Calculator
Merger
Name

Subnet details 203.140.40.0/21

Network address 203.140.40.0
Prefix length 21 (255.255.248.0)
Range 203.140.40.0 - 203.140.47.255
Hexadecimal cb8c2800
Binary 11001011 10001100 00101000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 203.140.32.0/20🔍
Previous subnet 203.140.32.0/21🔍
Next subnet 203.140.48.0/21🔍

Subnet tree

Netblock 203.0.0.0/8🔍 APNIC-AP (AU)
Netblock 203.136.0.0/13🔍 JPNIC-NET-JP (JP)
Route 203.140.32.0/19🔍 AS2519 Vectant ARTERIA Networks Corporation (JP)🔍