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Subnet details 61.18.136.0/21

Network address 61.18.136.0
Prefix length 21 (255.255.248.0)
Range 61.18.136.0 - 61.18.143.255
Hexadecimal 3d128800
Binary 00111101 00010010 10001000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 61.18.128.0/20🔍
Previous subnet 61.18.128.0/21🔍
Next subnet 61.18.144.0/21🔍

Subnet tree

Netblock 32.0.0.0/3🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 61.0.0.0/8🔍 APNIC-AP (AU)
Netblock 61.0.0.0/11🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Route 61.18.0.0/16🔍 AS9908 HKCABLE2-HK-AP HK Cable TV Ltd (HK)🔍
Netblock 61.18.0.0/16🔍 HKCABLE-HK (HK)
Netblock 61.18.128.0/17🔍 HKCABLE-HK (HK)