Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.90.240.0/20

Network address 81.90.240.0
Prefix length 20 (255.255.240.0)
Range 81.90.240.0 - 81.90.255.255
Hexadecimal 515af000
Binary 01010001 01011010 11110000 00000000
Binary subnet mask 11111111 11111111 11110000 00000000
Number of hosts 4,096
Parent subnet 81.90.224.0/19🔍
Previous subnet 81.90.224.0/20🔍
Next subnet 81.91.0.0/20🔍

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)