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Subnet details 81.210.16.0/21

Network address 81.210.16.0
Prefix length 21 (255.255.248.0)
Range 81.210.16.0 - 81.210.23.255
Hexadecimal 51d21000
Binary 01010001 11010010 00010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.210.16.0/20🔍
Previous subnet 81.210.8.0/21🔍
Next subnet 81.210.24.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.210.0.0/17🔍 AS12741 AS-NETIA Warszawa 02-822 (PL)🔍
Netblock 81.210.0.0/17🔍 PL-NETIA-20021023 (PL)