Tom.be

Subnet
Calculator
Merger
Name

Subnet details 203.247.21.0/24

Network address 203.247.21.0
Prefix length 24 (255.255.255.0)
Range 203.247.21.0 - 203.247.21.255
Hexadecimal cbf71500
Binary 11001011 11110111 00010101 00000000
Binary subnet mask 11111111 11111111 11111111 00000000
Number of hosts 256
Parent subnet 203.247.20.0/23🔍
Previous subnet 203.247.20.0/24🔍
Next subnet 203.247.22.0/24🔍

Subnet tree

Netblock 203.0.0.0/8🔍 APNIC-AP (AU)
Route 203.247.0.0/19🔍 AS23714 KMUCC-AS-KR Keimyung University (KR)🔍
Netblock 203.247.0.0/19🔍 KREN (KR)