Tom.be

Subnet
Calculator
Merger
Name

Subnet details 121.12.216.0/21

Network address 121.12.216.0
Prefix length 21 (255.255.248.0)
Range 121.12.216.0 - 121.12.223.255
Hexadecimal 790cd800
Binary 01111001 00001100 11011000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 121.12.208.0/20🔍
Previous subnet 121.12.208.0/21🔍
Next subnet 121.12.224.0/21🔍

Subnet tree

Netblock 121.0.0.0/8🔍 APNIC-AP (AU)
Route 121.8.0.0/13🔍 AS4134 CHINANET-BACKBONE No 31 Jin-rong Street (CN)🔍
Netblock 121.8.0.0/13🔍 CHINANET-GD (CN)