Tom.be

Subnet
Calculator
Merger
Name

Subnet details 223.21.248.0/21

Network address 223.21.248.0
Prefix length 21 (255.255.248.0)
Range 223.21.248.0 - 223.21.255.255
Hexadecimal df15f800
Binary 11011111 00010101 11111000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 223.21.240.0/20🔍
Previous subnet 223.21.240.0/21🔍
Next subnet 223.22.0.0/21🔍

Subnet tree

Netblock 223.0.0.0/8🔍 APNIC-AP (AU)
Netblock 223.20.0.0/15🔍 HWCSNET (CN)