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Subnet details 221.137.40.0/21

Network address 221.137.40.0
Prefix length 21 (255.255.248.0)
Range 221.137.40.0 - 221.137.47.255
Hexadecimal dd892800
Binary 11011101 10001001 00101000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 221.137.32.0/20🔍
Previous subnet 221.137.32.0/21🔍
Next subnet 221.137.48.0/21🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Route 221.137.0.0/16🔍 AS9812 CNNIC-CN-COLNET Oriental Cable Network Co Ltd (CN)🔍
Netblock 221.137.0.0/16🔍 COLNET (CN)