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Subnet details 121.251.144.0/21

Network address 121.251.144.0
Prefix length 21 (255.255.248.0)
Range 121.251.144.0 - 121.251.151.255
Hexadecimal 79fb9000
Binary 01111001 11111011 10010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 121.251.144.0/20🔍
Previous subnet 121.251.136.0/21🔍
Next subnet 121.251.152.0/21🔍

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)