Subnet details 203.188.64.0/21

Network address 203.188.64.0

Prefix length 21 (255.255.248.0)

Range 203.188.64.0 - 203.188.71.255

Hexadecimal cbbc4000

Binary 11001011 10111100 01000000 00000000

Binary subnet mask 11111111 11111111 11111000 00000000

Number of hosts 2,048

Parent subnet 203.188.64.0/20🔍

Previous subnet 203.188.56.0/21🔍

Next subnet 203.188.72.0/21🔍

Subnet tree

Netblock 192.0.0.0/2🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 192.0.0.0/3🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 192.0.0.0/4🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 200.0.0.0/5🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 200.0.0.0/6🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 202.0.0.0/7🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 203.0.0.0/8🔍 APNIC-AP (AU)

Netblock 203.128.0.0/9🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 203.160.0.0/11🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 203.188.0.0/14🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)

Netblock 203.188.64.0/18🔍 JUCC-BLK3 (HK)

Route 203.188.64.0/20🔍 AS3661 ERX-CUHKNET The Chinese University of Hong Kong (HK)🔍

Netblock 203.188.64.0/20🔍 CUHK-HK (HK)