Tom.be

Subnet
Calculator
Merger
Name

Subnet details 42.4.21.128/25

Network address 42.4.21.128
Prefix length 25 (255.255.255.128)
Range 42.4.21.128 - 42.4.21.255
Hexadecimal 2a041580
Binary 00101010 00000100 00010101 10000000
Binary subnet mask 11111111 11111111 11111111 10000000
Number of hosts 128
Parent subnet 42.4.21.0/24🔍
Previous subnet 42.4.21.0/25🔍
Next subnet 42.4.22.0/25🔍

Subnet tree

Netblock 42.0.0.0/8🔍 APNIC-AP (AU)
Route 42.4.0.0/14🔍 AS4837 CHINA169-Backbone CHINA UNICOM China169 Backbone (CN)🔍
Netblock 42.4.0.0/14🔍 UNICOM-LN (CN)