Subnet details 66.18.128.0/21

Network address 66.18.128.0

Prefix length 21 (255.255.248.0)

Range 66.18.128.0 - 66.18.135.255

Hexadecimal 42128000

Binary 01000010 00010010 10000000 00000000

Binary subnet mask 11111111 11111111 11111000 00000000

Number of hosts 2,048

Parent subnet 66.18.128.0/20🔍

Previous subnet 66.18.120.0/21🔍

Next subnet 66.18.136.0/21🔍

Subnet tree

Netblock 64.0.0.0/6🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 66.0.0.0/7🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 66.0.0.0/8🔍 ARIN-CIDR-BLOCK (AU)

Netblock 66.0.0.0/9🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 66.0.0.0/11🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 66.16.0.0/12🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)