Tom.be

Subnet
Calculator
Merger
Name

Subnet details 222.128.16.0/21

Network address 222.128.16.0
Prefix length 21 (255.255.248.0)
Range 222.128.16.0 - 222.128.23.255
Hexadecimal de801000
Binary 11011110 10000000 00010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 222.128.16.0/20🔍
Previous subnet 222.128.8.0/21🔍
Next subnet 222.128.24.0/21🔍

Subnet tree

Netblock 222.0.0.0/8🔍 APNIC-AP (AU)
Route 222.128.0.0/14🔍 AS4808 CHINA169-BJ China Unicom Beijing Province Network (CN)🔍
Netblock 222.128.0.0/14🔍 UNICOM-BJ (CN)