Tom.be

Subnet
Calculator
Merger
Name

Subnet details 181.9.16.0/21

Network address 181.9.16.0
Prefix length 21 (255.255.248.0)
Range 181.9.16.0 - 181.9.23.255
Hexadecimal b5091000
Binary 10110101 00001001 00010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 181.9.16.0/20🔍
Previous subnet 181.9.8.0/21🔍
Next subnet 181.9.24.0/21🔍

Subnet tree

Netblock 128.0.0.0/2🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 176.0.0.0/5🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 180.0.0.0/7🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 181.0.0.0/8🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Route 181.0.0.0/12🔍 AS7303 (AR)🔍
Netblock 181.8.0.0/13🔍