Tom.be

Subnet
Calculator
Merger
Name

Subnet details 203.223.21.0/24

Network address 203.223.21.0
Prefix length 24 (255.255.255.0)
Range 203.223.21.0 - 203.223.21.255
Hexadecimal cbdf1500
Binary 11001011 11011111 00010101 00000000
Binary subnet mask 11111111 11111111 11111111 00000000
Number of hosts 256
Parent subnet 203.223.20.0/23🔍
Previous subnet 203.223.20.0/24🔍
Next subnet 203.223.22.0/24🔍

Subnet tree

Netblock 203.0.0.0/8🔍 APNIC-AP (AU)
Netblock 203.223.16.0/21🔍 CHINANET-FJ (CN)
Netblock 203.223.20.0/22🔍 CTHKI-HK (HK)
Route 203.223.21.0/24🔍 AS4809 CHINATELECOM-CORE-WAN-CN2 China Telecom Next Generation Carrier Network (CN)🔍