Tom.be

Subnet
Calculator
Merger
Name

Subnet details 221.9.128.0/17

Network address 221.9.128.0
Prefix length 17 (255.255.128.0)
Range 221.9.128.0 - 221.9.255.255
Hexadecimal dd098000
Binary 11011101 00001001 10000000 00000000
Binary subnet mask 11111111 11111111 10000000 00000000
Number of hosts 32,768
Parent subnet 221.9.0.0/16🔍
Previous subnet 221.9.0.0/17🔍
Next subnet 221.10.0.0/17🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Route 221.8.0.0/14🔍 AS4837 CHINA169-Backbone CHINA UNICOM China169 Backbone (CN)🔍
Netblock 221.8.0.0/15🔍 UNICOM-JL (CN)