Subnet details 81.28.0.0/23

Network address 81.28.0.0
Prefix length 23 (255.255.254.0)
Range 81.28.0.0 - 81.28.1.255
Hexadecimal 511c0000
Binary 01010001 00011100 00000000 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 81.28.0.0/22🔍
Previous subnet 81.27.254.0/23🔍
Next subnet 81.28.2.0/23🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Netblock 81.28.0.0/22🔍 RU-NAUKANET-20020416 (RU)
Netblock 81.28.0.0/23🔍 Naukanet (RU)