Subnet details 81.17.64.0/21

Network address 81.17.64.0
Prefix length 21 (255.255.248.0)
Range 81.17.64.0 - 81.17.71.255
Hexadecimal 51114000
Binary 01010001 00010001 01000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.17.64.0/20🔍
Previous subnet 81.17.56.0/21🔍
Next subnet 81.17.72.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.17.64.0/20🔍 AS21470 SWISP-AS (GB)🔍
Netblock 81.17.64.0/20🔍 UK-SWTNETWORKS-20020108 (GB)