Tom.be

Subnet
Calculator
Merger
Name

Subnet details 221.153.0.0/21

Network address 221.153.0.0
Prefix length 21 (255.255.248.0)
Range 221.153.0.0 - 221.153.7.255
Hexadecimal dd990000
Binary 11011101 10011001 00000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 221.153.0.0/20🔍
Previous subnet 221.152.248.0/21🔍
Next subnet 221.153.8.0/21🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Route 221.144.0.0/12🔍 AS4766 KIXS-AS-KR Korea Telecom (KR)🔍
Netblock 221.144.0.0/12🔍 KORNET (KR)