Tom.be

Subnet
Calculator
Merger
Name

Subnet details 221.165.144.0/21

Network address 221.165.144.0
Prefix length 21 (255.255.248.0)
Range 221.165.144.0 - 221.165.151.255
Hexadecimal dda59000
Binary 11011101 10100101 10010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 221.165.144.0/20🔍
Previous subnet 221.165.136.0/21🔍
Next subnet 221.165.152.0/21🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Route 221.160.0.0/13🔍 AS4766 KIXS-AS-KR Korea Telecom (KR)🔍
Netblock 221.160.0.0/13🔍 KORNET (KR)