Tom.be

Subnet
Calculator
Merger
Name

Subnet details 203.30.240.128/25

Network address 203.30.240.128
Prefix length 25 (255.255.255.128)
Range 203.30.240.128 - 203.30.240.255
Hexadecimal cb1ef080
Binary 11001011 00011110 11110000 10000000
Binary subnet mask 11111111 11111111 11111111 10000000
Number of hosts 128
Parent subnet 203.30.240.0/24🔍
Previous subnet 203.30.240.0/25🔍
Next subnet 203.30.241.0/25🔍

Subnet tree

Netblock 203.0.0.0/8🔍 APNIC-AP (AU)
Netblock 203.30.240.0/23🔍 CHINANET-FJ (CN)