Tom.be

Subnet
Calculator
Merger
Name

Subnet details 121.4.248.0/21

Network address 121.4.248.0
Prefix length 21 (255.255.248.0)
Range 121.4.248.0 - 121.4.255.255
Hexadecimal 7904f800
Binary 01111001 00000100 11111000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 121.4.240.0/20🔍
Previous subnet 121.4.240.0/21🔍
Next subnet 121.5.0.0/21🔍

Subnet tree

Netblock 121.0.0.0/8🔍 APNIC-AP (AU)
Route 121.4.0.0/15🔍 AS45090 TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited (CN)🔍
Netblock 121.4.0.0/15🔍 TencentCloud (CN)