Tom.be

Subnet
Calculator
Merger
Name

Subnet details 121.48.216.0/21

Network address 121.48.216.0
Prefix length 21 (255.255.248.0)
Range 121.48.216.0 - 121.48.223.255
Hexadecimal 7930d800
Binary 01111001 00110000 11011000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 121.48.208.0/20🔍
Previous subnet 121.48.208.0/21🔍
Next subnet 121.48.224.0/21🔍

Subnet tree

Netblock 121.0.0.0/8🔍 APNIC-AP (AU)
Route 121.48.0.0/15🔍 AS4538 ERX-CERNET-BKB China Education and Research Network Center (CN)🔍
Netblock 121.48.0.0/15🔍 CDR-CERNET (CN)