Tom.be

Subnet
Calculator
Merger
Name

Subnet details 121.9.144.0/23

Network address 121.9.144.0
Prefix length 23 (255.255.254.0)
Range 121.9.144.0 - 121.9.145.255
Hexadecimal 79099000
Binary 01111001 00001001 10010000 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 121.9.144.0/22🔍
Previous subnet 121.9.142.0/23🔍
Next subnet 121.9.146.0/23🔍

Subnet tree

Netblock 112.0.0.0/4🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 121.0.0.0/8🔍 APNIC-AP (AU)
Netblock 121.0.0.0/9🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Route 121.8.0.0/13🔍 AS4134 CHINANET-BACKBONE No 31 Jin-rong Street (CN)🔍
Netblock 121.8.0.0/13🔍 CHINANET-GD (CN)