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Subnet details 221.16.128.0/21

Network address 221.16.128.0
Prefix length 21 (255.255.248.0)
Range 221.16.128.0 - 221.16.135.255
Hexadecimal dd108000
Binary 11011101 00010000 10000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 221.16.128.0/20🔍
Previous subnet 221.16.120.0/21🔍
Next subnet 221.16.136.0/21🔍

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)