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Subnet details 221.13.128.0/21

Network address 221.13.128.0
Prefix length 21 (255.255.248.0)
Range 221.13.128.0 - 221.13.135.255
Hexadecimal dd0d8000
Binary 11011101 00001101 10000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 221.13.128.0/20🔍
Previous subnet 221.13.120.0/21🔍
Next subnet 221.13.136.0/21🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Netblock 221.12.0.0/15🔍 UNICOM-HA (CN)
Route 221.13.0.0/16🔍 AS4837 CHINA169-Backbone CHINA UNICOM China169 Backbone (CN)🔍