Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.207.0.0/17

Network address 81.207.0.0
Prefix length 17 (255.255.128.0)
Range 81.207.0.0 - 81.207.127.255
Hexadecimal 51cf0000
Binary 01010001 11001111 00000000 00000000
Binary subnet mask 11111111 11111111 10000000 00000000
Number of hosts 32,768
Parent subnet 81.207.0.0/16🔍
Previous subnet 81.206.128.0/17🔍
Next subnet 81.207.128.0/17🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.204.0.0/14🔍 AS1136 KPN KPN National (NL)🔍
Netblock 81.204.0.0/14🔍 NL-WAPI-20021016 (NL)
Netblock 81.207.0.0/16🔍 KPN (NL)