Subnet details 81.88.72.0/21

Network address 81.88.72.0
Prefix length 21 (255.255.248.0)
Range 81.88.72.0 - 81.88.79.255
Hexadecimal 51584800
Binary 01010001 01011000 01001000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.88.64.0/20🔍
Previous subnet 81.88.64.0/21🔍
Next subnet 81.88.80.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Netblock 81.88.72.0/21🔍 NO-BREIBAND-20090113 (NO)