Tom.be

Subnet
Calculator
Merger
Name

Subnet details 121.30.102.0/23

Network address 121.30.102.0
Prefix length 23 (255.255.254.0)
Range 121.30.102.0 - 121.30.103.255
Hexadecimal 791e6600
Binary 01111001 00011110 01100110 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 121.30.100.0/22🔍
Previous subnet 121.30.100.0/23🔍
Next subnet 121.30.104.0/23🔍

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 121.30.0.0/16🔍 UNICOM-SX (CN)