Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.45.160.0/20

Network address 81.45.160.0
Prefix length 20 (255.255.240.0)
Range 81.45.160.0 - 81.45.175.255
Hexadecimal 512da000
Binary 01010001 00101101 10100000 00000000
Binary subnet mask 11111111 11111111 11110000 00000000
Number of hosts 4,096
Parent subnet 81.45.160.0/19🔍
Previous subnet 81.45.144.0/20🔍
Next subnet 81.45.176.0/20🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.32.0.0/12🔍 AS3352 Telefonica de EspaNa (ES)🔍
Netblock 81.32.0.0/12🔍 ES-TELEFONICA-20020215 (ES)