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Subnet details 221.3.168.0/21

Network address 221.3.168.0
Prefix length 21 (255.255.248.0)
Range 221.3.168.0 - 221.3.175.255
Hexadecimal dd03a800
Binary 11011101 00000011 10101000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 221.3.160.0/20🔍
Previous subnet 221.3.160.0/21🔍
Next subnet 221.3.176.0/21🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Route 221.0.0.0/14🔍 AS4837 CHINA169-Backbone CHINA UNICOM China169 Backbone (CN)🔍
Netblock 221.3.128.0/17🔍 UNICOM-YN (CN)