Tom.be

Subnet
Calculator
Merger
Name

Subnet details 221.122.128.0/17

Network address 221.122.128.0
Prefix length 17 (255.255.128.0)
Range 221.122.128.0 - 221.122.255.255
Hexadecimal dd7a8000
Binary 11011101 01111010 10000000 00000000
Binary subnet mask 11111111 11111111 10000000 00000000
Number of hosts 32,768
Parent subnet 221.122.0.0/16🔍
Previous subnet 221.122.0.0/17🔍
Next subnet 221.123.0.0/17🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Netblock 221.122.0.0/16🔍 shinenet (CN)
Route 221.122.128.0/17🔍 AS23724 CHINANET-IDC-BJ-AP IDC China Telecommunications Corporation (CN)🔍