Tom.be

Subnet
Calculator
Merger
Name

Subnet details 221.172.64.0/18

Network address 221.172.64.0
Prefix length 18 (255.255.192.0)
Range 221.172.64.0 - 221.172.127.255
Hexadecimal ddac4000
Binary 11011101 10101100 01000000 00000000
Binary subnet mask 11111111 11111111 11000000 00000000
Number of hosts 16,384
Parent subnet 221.172.0.0/17🔍
Previous subnet 221.172.0.0/18🔍
Next subnet 221.172.128.0/18🔍

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)