Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.247.248.0/21

Network address 81.247.248.0
Prefix length 21 (255.255.248.0)
Range 81.247.248.0 - 81.247.255.255
Hexadecimal 51f7f800
Binary 01010001 11110111 11111000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.247.240.0/20🔍
Previous subnet 81.247.240.0/21🔍
Next subnet 81.248.0.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.240.0.0/13🔍 AS5432 PROXIMUS-ISP-AS (BE)🔍
Netblock 81.240.0.0/13🔍 BE-BELGACOM-20021129 (BE)