Subnet details 163.181.64.0/21

Network address 163.181.64.0
Prefix length 21 (255.255.248.0)
Range 163.181.64.0 - 163.181.71.255
Hexadecimal a3b54000
Binary 10100011 10110101 01000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 163.181.64.0/20🔍
Previous subnet 163.181.56.0/21🔍
Next subnet 163.181.72.0/21🔍

Subnet tree

Netblock 163.0.0.0/8🔍 ERX-NETBLOCK (AU)
Route 163.181.0.0/16🔍 AS45102 ALIBABA-CN-NET Alibaba US Technology Co Ltd (US)🔍