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Subnet details 81.90.248.0/21

Network address 81.90.248.0
Prefix length 21 (255.255.248.0)
Range 81.90.248.0 - 81.90.255.255
Hexadecimal 515af800
Binary 01010001 01011010 11111000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.90.240.0/20🔍
Previous subnet 81.90.240.0/21🔍
Next subnet 81.91.0.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.90.240.0/20🔍 AS39761 ABAK (CZ)🔍
Netblock 81.90.240.0/20🔍 CZ-ABAK-20060420 (CZ)