Tom.be

Subnet
Calculator
Merger
Name

Subnet details 221.121.0.0/20

Network address 221.121.0.0
Prefix length 20 (255.255.240.0)
Range 221.121.0.0 - 221.121.15.255
Hexadecimal dd790000
Binary 11011101 01111001 00000000 00000000
Binary subnet mask 11111111 11111111 11110000 00000000
Number of hosts 4,096
Parent subnet 221.121.0.0/19🔍
Previous subnet 221.120.240.0/20🔍
Next subnet 221.121.16.0/20🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Route 221.121.0.0/18🔍 AS7602 SPT-AS-VN Sai gon Postel Corporation (VN)🔍
Netblock 221.121.0.0/18🔍 SPT-VN (VN)