Tom.be

Subnet
Calculator
Merger
Name

Subnet details 172.81.192.0/21

Network address 172.81.192.0
Prefix length 21 (255.255.248.0)
Range 172.81.192.0 - 172.81.199.255
Hexadecimal ac51c000
Binary 10101100 01010001 11000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 172.81.192.0/20🔍
Previous subnet 172.81.184.0/21🔍
Next subnet 172.81.200.0/21🔍

Subnet tree

Netblock 128.0.0.0/2🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 172.80.0.0/12🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 172.80.0.0/13🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 172.80.0.0/15🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Route 172.81.192.0/18🔍 AS45090 TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited (CN)🔍
Netblock 172.81.192.0/18🔍 TENCENT-CN (CN)