Tom.be

Subnet
Calculator
Merger
Name

Subnet details 58.21.128.0/17

Network address 58.21.128.0
Prefix length 17 (255.255.128.0)
Range 58.21.128.0 - 58.21.255.255
Hexadecimal 3a158000
Binary 00111010 00010101 10000000 00000000
Binary subnet mask 11111111 11111111 10000000 00000000
Number of hosts 32,768
Parent subnet 58.21.0.0/16🔍
Previous subnet 58.21.0.0/17🔍
Next subnet 58.22.0.0/17🔍

Subnet tree

Netblock 32.0.0.0/3🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 56.0.0.0/6🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 58.0.0.0/7🔍 APNIC-AP (AU)
Netblock 58.0.0.0/8🔍 APNIC-AP (AU)
Netblock 58.0.0.0/10🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Route 58.16.0.0/13🔍 AS4837 CHINA169-Backbone CHINA UNICOM China169 Backbone (CN)🔍
Netblock 58.21.0.0/16🔍 UNICOM-JL (CN)