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Subnet details 221.123.216.0/21

Network address 221.123.216.0
Prefix length 21 (255.255.248.0)
Range 221.123.216.0 - 221.123.223.255
Hexadecimal dd7bd800
Binary 11011101 01111011 11011000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 221.123.208.0/20🔍
Previous subnet 221.123.208.0/21🔍
Next subnet 221.123.224.0/21🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Route 221.123.128.0/17🔍 AS23724 CHINANET-IDC-BJ-AP IDC China Telecommunications Corporation (CN)🔍
Netblock 221.123.128.0/17🔍 shinenet (CN)