Tom.be

Subnet
Calculator
Merger
Name

Subnet details 123.139.0.0/16

Network address 123.139.0.0
Prefix length 16 (255.255.0.0)
Range 123.139.0.0 - 123.139.255.255
Hexadecimal 7b8b0000
Binary 01111011 10001011 00000000 00000000
Binary subnet mask 11111111 11111111 00000000 00000000
Number of hosts 65,536
Parent subnet 123.138.0.0/15🔍
Previous subnet 123.138.0.0/16🔍
Next subnet 123.140.0.0/16🔍

Subnet tree

Netblock 122.0.0.0/7🔍 APNIC-AP (AU)
Route 123.138.0.0/15🔍 AS4837 CHINA169-Backbone CHINA UNICOM China169 Backbone (CN)🔍
Netblock 123.138.0.0/15🔍 UNICOM-SN (CN)