Subnet details 143.203.16.0/21

Network address 143.203.16.0
Prefix length 21 (255.255.248.0)
Range 143.203.16.0 - 143.203.23.255
Hexadecimal 8fcb1000
Binary 10001111 11001011 00010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 143.203.16.0/20🔍
Previous subnet 143.203.8.0/21🔍
Next subnet 143.203.24.0/21🔍

Subnet tree

Netblock 128.0.0.0/2🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 128.0.0.0/3🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 136.0.0.0/5🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 142.0.0.0/7🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 143.0.0.0/8🔍 ERX-NETBLOCK (AU)
Netblock 143.128.0.0/9🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 143.192.0.0/11🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 143.192.0.0/12🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)