Tom.be

Subnet
Calculator
Merger
Name

Subnet details 121.3.240.0/20

Network address 121.3.240.0
Prefix length 20 (255.255.240.0)
Range 121.3.240.0 - 121.3.255.255
Hexadecimal 7903f000
Binary 01111001 00000011 11110000 00000000
Binary subnet mask 11111111 11111111 11110000 00000000
Number of hosts 4,096
Parent subnet 121.3.224.0/19🔍
Previous subnet 121.3.224.0/20🔍
Next subnet 121.4.0.0/20🔍

Subnet tree

Netblock 121.0.0.0/8🔍 APNIC-AP (AU)
Netblock 121.2.0.0/15🔍 So-net (JP)