Tom.be

Subnet
Calculator
Merger
Name

Subnet details 210.21.16.0/20

Network address 210.21.16.0
Prefix length 20 (255.255.240.0)
Range 210.21.16.0 - 210.21.31.255
Hexadecimal d2151000
Binary 11010010 00010101 00010000 00000000
Binary subnet mask 11111111 11111111 11110000 00000000
Number of hosts 4,096
Parent subnet 210.21.0.0/19🔍
Previous subnet 210.21.0.0/20🔍
Next subnet 210.21.32.0/20🔍

Subnet tree

Netblock 210.0.0.0/8🔍 APNIC-AP (AU)
Netblock 210.20.0.0/14🔍 UNICOM-CN (CN)
Route 210.21.0.0/16🔍 AS9929 CUII CHINA UNICOM Industrial Internet Backbone (CN)🔍
Netblock 210.21.0.0/16🔍 UNICOM-CN (CN)
Route 210.21.0.0/17🔍 AS17622 CNCGROUP-GZ China Unicom Guangzhou network (CN)🔍
Netblock 210.21.0.0/17🔍 UNICOM-GD (CN)