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Subnet details 81.173.136.0/21

Network address 81.173.136.0
Prefix length 21 (255.255.248.0)
Range 81.173.136.0 - 81.173.143.255
Hexadecimal 51ad8800
Binary 01010001 10101101 10001000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.173.128.0/20🔍
Previous subnet 81.173.128.0/21🔍
Next subnet 81.173.144.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.173.128.0/17🔍 AS8422 NETCOLOGNE (DE)🔍
Netblock 81.173.128.0/17🔍 DE-NETCOLOGNE-20030219 (DE)