Tom.be

Subnet
Calculator
Merger
Name

Subnet details 42.87.8.0/21

Network address 42.87.8.0
Prefix length 21 (255.255.248.0)
Range 42.87.8.0 - 42.87.15.255
Hexadecimal 2a570800
Binary 00101010 01010111 00001000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 42.87.0.0/20🔍
Previous subnet 42.87.0.0/21🔍
Next subnet 42.87.16.0/21🔍

Subnet tree

Netblock 42.0.0.0/8🔍 APNIC-AP (AU)
Route 42.84.0.0/14🔍 AS4837 CHINA169-Backbone CHINA UNICOM China169 Backbone (CN)🔍
Netblock 42.84.0.0/14🔍 UNICOM-LN (CN)