Tom.be

Subnet
Calculator
Merger
Name

Subnet details 180.81.16.0/21

Network address 180.81.16.0
Prefix length 21 (255.255.248.0)
Range 180.81.16.0 - 180.81.23.255
Hexadecimal b4511000
Binary 10110100 01010001 00010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 180.81.16.0/20🔍
Previous subnet 180.81.8.0/21🔍
Next subnet 180.81.24.0/21🔍

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 180.0.0.0/8🔍 APNIC-AP (AU)
Netblock 180.64.0.0/10🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Route 180.80.0.0/14🔍 AS9316 DACOM-PUBNETPLUS-AS-KR DACOM-PUBNETPLUS (KR)🔍
Netblock 180.80.0.0/14🔍 PUBNETPLUS (KR)
Route 180.81.16.0/21🔍 AS23571 GWED-AS-KR Gangwon State Office of Education (KR)🔍