Subnet details 72.57.16.0/21

Network address 72.57.16.0

Prefix length 21 (255.255.248.0)

Range 72.57.16.0 - 72.57.23.255

Hexadecimal 48391000

Binary 01001000 00111001 00010000 00000000

Binary subnet mask 11111111 11111111 11111000 00000000

Number of hosts 2,048

Parent subnet 72.57.16.0/20🔍

Previous subnet 72.57.8.0/21🔍

Next subnet 72.57.24.0/21🔍

Subnet tree

Netblock 72.0.0.0/8🔍 ARIN-CIDR-BLOCK (AU)

Route 72.57.0.0/19🔍 AS394056 BIFIV Aut-num for Intrepid Fiber Networks (US)🔍