Tom.be

Subnet
Calculator
Merger
Name

Subnet details 221.121.192.0/18

Network address 221.121.192.0
Prefix length 18 (255.255.192.0)
Range 221.121.192.0 - 221.121.255.255
Hexadecimal dd79c000
Binary 11011101 01111001 11000000 00000000
Binary subnet mask 11111111 11111111 11000000 00000000
Number of hosts 16,384
Parent subnet 221.121.128.0/17🔍
Previous subnet 221.121.128.0/18🔍
Next subnet 221.122.0.0/18🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Route 221.121.192.0/18🔍 AS17698 CNCI COMMUNITY NETWORK CENTER INC (JP)🔍
Netblock 221.121.192.0/18🔍 CNCI (JP)