Tom.be

Subnet
Calculator
Merger
Name

Subnet details 139.208.40.0/21

Network address 139.208.40.0
Prefix length 21 (255.255.248.0)
Range 139.208.40.0 - 139.208.47.255
Hexadecimal 8bd02800
Binary 10001011 11010000 00101000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 139.208.32.0/20🔍
Previous subnet 139.208.32.0/21🔍
Next subnet 139.208.48.0/21🔍

Subnet tree

Route 139.208.0.0/13🔍 AS4837 CHINA169-Backbone CHINA UNICOM China169 Backbone (CN)🔍
Netblock 139.208.0.0/13🔍 UNICOM-JL (CN)