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Subnet details 81.21.240.0/21

Network address 81.21.240.0
Prefix length 21 (255.255.248.0)
Range 81.21.240.0 - 81.21.247.255
Hexadecimal 5115f000
Binary 01010001 00010101 11110000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.21.240.0/20🔍
Previous subnet 81.21.232.0/21🔍
Next subnet 81.21.248.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.21.240.0/20🔍 AS1257 SWIPNET TELE2 (SE)🔍
Netblock 81.21.240.0/20🔍 SE-SWIPNET-20060124 (EE)