Tom.be

Subnet
Calculator
Merger
Name

Subnet details 221.174.72.0/21

Network address 221.174.72.0
Prefix length 21 (255.255.248.0)
Range 221.174.72.0 - 221.174.79.255
Hexadecimal ddae4800
Binary 11011101 10101110 01001000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 221.174.64.0/20🔍
Previous subnet 221.174.64.0/21🔍
Next subnet 221.174.80.0/21🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Route 221.172.0.0/14🔍 AS9394 CTTNET China TieTong Telecommunications Corporation (CN)🔍
Netblock 221.172.0.0/14🔍 CTTNET (CN)