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Subnet details 221.20.0.0/21

Network address 221.20.0.0
Prefix length 21 (255.255.248.0)
Range 221.20.0.0 - 221.20.7.255
Hexadecimal dd140000
Binary 11011101 00010100 00000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 221.20.0.0/20🔍
Previous subnet 221.19.248.0/21🔍
Next subnet 221.20.8.0/21🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Route 221.16.0.0/12🔍 AS17676 ULTINA SoftBank Mobile Corp (JP)🔍
Netblock 221.16.0.0/12🔍 BBTEC (JP)