Tom.be

Subnet
Calculator
Merger
Name

Subnet details 221.12.144.0/22

Network address 221.12.144.0
Prefix length 22 (255.255.252.0)
Range 221.12.144.0 - 221.12.147.255
Hexadecimal dd0c9000
Binary 11011101 00001100 10010000 00000000
Binary subnet mask 11111111 11111111 11111100 00000000
Number of hosts 1,024
Parent subnet 221.12.144.0/21🔍
Previous subnet 221.12.140.0/22🔍
Next subnet 221.12.148.0/22🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Netblock 221.12.0.0/15🔍 UNICOM-HA (CN)
Netblock 221.12.0.0/16🔍 UNICOM-ZJ (CN)
Route 221.12.128.0/18🔍 AS4837 CHINA169-Backbone CHINA UNICOM China169 Backbone (CN)🔍