Tom.be

Subnet
Calculator
Merger
Name

Subnet details 121.199.216.0/21

Network address 121.199.216.0
Prefix length 21 (255.255.248.0)
Range 121.199.216.0 - 121.199.223.255
Hexadecimal 79c7d800
Binary 01111001 11000111 11011000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 121.199.208.0/20🔍
Previous subnet 121.199.208.0/21🔍
Next subnet 121.199.224.0/21🔍

Subnet tree

Netblock 121.0.0.0/8🔍 APNIC-AP (AU)
Route 121.196.0.0/14🔍 AS45102 ALIBABA-CN-NET Alibaba US Technology Co Ltd (US)🔍
Netblock 121.196.0.0/14🔍 ALISOFT (CN)