Subnet details 129.21.128.0/17

Network address 129.21.128.0

Prefix length 17 (255.255.128.0)

Range 129.21.128.0 - 129.21.255.255

Hexadecimal 81158000

Binary 10000001 00010101 10000000 00000000

Binary subnet mask 11111111 11111111 10000000 00000000

Number of hosts 32,768

Parent subnet 129.21.0.0/16🔍

Previous subnet 129.21.0.0/17🔍

Next subnet 129.22.0.0/17🔍

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 128.0.0.0/5🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 128.0.0.0/7🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 129.0.0.0/8🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 129.0.0.0/9🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 129.16.0.0/12🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)