Tom.be

Subnet
Calculator
Merger
Name

Subnet details 121.250.248.0/21

Network address 121.250.248.0
Prefix length 21 (255.255.248.0)
Range 121.250.248.0 - 121.250.255.255
Hexadecimal 79faf800
Binary 01111001 11111010 11111000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 121.250.240.0/20🔍
Previous subnet 121.250.240.0/21🔍
Next subnet 121.251.0.0/21🔍

Subnet tree

Netblock 121.0.0.0/8🔍 APNIC-AP (AU)
Route 121.248.0.0/14🔍 AS4538 ERX-CERNET-BKB China Education and Research Network Center (CN)🔍
Netblock 121.248.0.0/14🔍 NJR-CERNET (CN)