Tom.be

Subnet
Calculator
Merger
Name

Subnet details 1.21.0.0/23

Network address 1.21.0.0
Prefix length 23 (255.255.254.0)
Range 1.21.0.0 - 1.21.1.255
Hexadecimal 01150000
Binary 00000001 00010101 00000000 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 1.21.0.0/22🔍
Previous subnet 1.20.254.0/23🔍
Next subnet 1.21.2.0/23🔍

Subnet tree

Netblock 1.0.0.0/8🔍 APNIC-AP (AU)
Netblock 1.21.0.0/17🔍 Vectant (JP)
Route 1.21.0.0/18🔍 AS2519 Vectant ARTERIA Networks Corporation (JP)🔍