Tom.be

Subnet
Calculator
Merger
Name

Subnet details 121.55.8.0/21

Network address 121.55.8.0
Prefix length 21 (255.255.248.0)
Range 121.55.8.0 - 121.55.15.255
Hexadecimal 79370800
Binary 01111001 00110111 00001000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 121.55.0.0/20🔍
Previous subnet 121.55.0.0/21🔍
Next subnet 121.55.16.0/21🔍

Subnet tree

Netblock 121.0.0.0/8🔍 APNIC-AP (AU)
Route 121.55.0.0/18🔍 AS4837 CHINA169-Backbone CHINA UNICOM China169 Backbone (CN)🔍
Netblock 121.55.0.0/18🔍 SIN (CN)