Tom.be

Subnet
Calculator
Merger
Name

Subnet details 221.17.128.0/17

Network address 221.17.128.0
Prefix length 17 (255.255.128.0)
Range 221.17.128.0 - 221.17.255.255
Hexadecimal dd118000
Binary 11011101 00010001 10000000 00000000
Binary subnet mask 11111111 11111111 10000000 00000000
Number of hosts 32,768
Parent subnet 221.17.0.0/16🔍
Previous subnet 221.17.0.0/17🔍
Next subnet 221.18.0.0/17🔍

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)