Tom.be

Subnet
Calculator
Merger
Name

Subnet details 121.29.64.0/21

Network address 121.29.64.0
Prefix length 21 (255.255.248.0)
Range 121.29.64.0 - 121.29.71.255
Hexadecimal 791d4000
Binary 01111001 00011101 01000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 121.29.64.0/20🔍
Previous subnet 121.29.56.0/21🔍
Next subnet 121.29.72.0/21🔍

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)🔍
Netblock 121.28.0.0/15🔍 UNICOM-HE (CN)