Tom.be

Subnet
Calculator
Merger
Name

Subnet details 221.145.66.0/23

Network address 221.145.66.0
Prefix length 23 (255.255.254.0)
Range 221.145.66.0 - 221.145.67.255
Hexadecimal dd914200
Binary 11011101 10010001 01000010 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 221.145.64.0/22🔍
Previous subnet 221.145.64.0/23🔍
Next subnet 221.145.68.0/23🔍

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)