Tom.be

Subnet
Calculator
Merger
Name

Subnet details 121.23.0.0/17

Network address 121.23.0.0
Prefix length 17 (255.255.128.0)
Range 121.23.0.0 - 121.23.127.255
Hexadecimal 79170000
Binary 01111001 00010111 00000000 00000000
Binary subnet mask 11111111 11111111 10000000 00000000
Number of hosts 32,768
Parent subnet 121.23.0.0/16🔍
Previous subnet 121.22.128.0/17🔍
Next subnet 121.23.128.0/17🔍

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 121.16.0.0/13🔍 UNICOM-HE (CN)
Netblock 121.23.0.0/16🔍 ADSL121 (cn)