Tom.be

Subnet
Calculator
Merger
Name

Subnet details 121.16.0.0/12

Network address 121.16.0.0
Prefix length 12 (255.240.0.0)
Range 121.16.0.0 - 121.31.255.255
Hexadecimal 79100000
Binary 01111001 00010000 00000000 00000000
Binary subnet mask 11111111 11110000 00000000 00000000
Number of hosts 1,048,576
Parent subnet 121.0.0.0/11🔍
Previous subnet 121.0.0.0/12🔍
Next subnet 121.32.0.0/12🔍

Subnet tree

Netblock 121.0.0.0/8🔍 APNIC-AP (AU)
Route 121.16.0.0/12🔍 AS4837 CHINA169-Backbone CHINA UNICOM China169 Backbone (CN)🔍