Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.216.80.0/21

Network address 81.216.80.0
Prefix length 21 (255.255.248.0)
Range 81.216.80.0 - 81.216.87.255
Hexadecimal 51d85000
Binary 01010001 11011000 01010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.216.80.0/20🔍
Previous subnet 81.216.72.0/21🔍
Next subnet 81.216.88.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.216.0.0/16🔍 AS1257 SWIPNET TELE2 (SE)🔍
Netblock 81.216.0.0/16🔍 SE-SWIPNET-20021009 (SE)