Tom.be

Subnet
Calculator
Merger
Name

Subnet details 218.21.128.0/23

Network address 218.21.128.0
Prefix length 23 (255.255.254.0)
Range 218.21.128.0 - 218.21.129.255
Hexadecimal da158000
Binary 11011010 00010101 10000000 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 218.21.128.0/22🔍
Previous subnet 218.21.126.0/23🔍
Next subnet 218.21.130.0/23🔍

Subnet tree

Netblock 218.0.0.0/8🔍 APNIC-AP (AU)
Netblock 218.0.0.0/11🔍 CHINANET-GD (CN)
Netblock 218.16.0.0/13🔍 CHINANET-GD (CN)
Route 218.21.128.0/17🔍 AS4837 CHINA169-Backbone CHINA UNICOM China169 Backbone (CN)🔍
Netblock 218.21.128.0/17🔍 UNICOM-NM (CN)