Tom.be

Subnet
Calculator
Merger
Name

Subnet details 64.253.40.0/21

Network address 64.253.40.0
Prefix length 21 (255.255.248.0)
Range 64.253.40.0 - 64.253.47.255
Hexadecimal 40fd2800
Binary 01000000 11111101 00101000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 64.253.32.0/20🔍
Previous subnet 64.253.32.0/21🔍
Next subnet 64.253.48.0/21🔍

Subnet tree

Netblock 64.0.0.0/8🔍 ARIN-CIDR-BLOCK (AU)
Route 64.253.32.0/19🔍 AS51048 NEXT-CONNEX (GB)🔍
Netblock 64.253.32.0/19🔍 UK-PCCWGLOBALNETWORK-20010117 (GB)