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Subnet details 72.57.208.0/21

Network address 72.57.208.0
Prefix length 21 (255.255.248.0)
Range 72.57.208.0 - 72.57.215.255
Hexadecimal 4839d000
Binary 01001000 00111001 11010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 72.57.208.0/20🔍
Previous subnet 72.57.200.0/21🔍
Next subnet 72.57.216.0/21🔍

Subnet tree

Netblock 72.0.0.0/8🔍 ARIN-CIDR-BLOCK (AU)
Route 72.57.128.0/17🔍 AS9908 HKCABLE2-HK-AP HK Cable TV Ltd (HK)🔍
Netblock 72.57.128.0/17🔍 SKYLINE1-HK (HK)
Route 72.57.192.0/18🔍 AS984 AS-OWS OWS-NETWORKS (US)🔍
Netblock 72.57.192.0/18🔍 Hong_Kong_Cable_Television_Limited (HK)