Tom.be

Subnet
Calculator
Merger
Name

Subnet details 64.81.216.0/21

Network address 64.81.216.0
Prefix length 21 (255.255.248.0)
Range 64.81.216.0 - 64.81.223.255
Hexadecimal 4051d800
Binary 01000000 01010001 11011000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 64.81.208.0/20🔍
Previous subnet 64.81.208.0/21🔍
Next subnet 64.81.224.0/21🔍

Subnet tree

Netblock 64.0.0.0/8🔍 ARIN-CIDR-BLOCK (AU)
Route 64.81.0.0/16🔍 AS3257 GTT-BACKBONE GTT (US)🔍