Tom.be

Subnet
Calculator
Merger
Name

Subnet details 1.57.0.0/21

Network address 1.57.0.0
Prefix length 21 (255.255.248.0)
Range 1.57.0.0 - 1.57.7.255
Hexadecimal 01390000
Binary 00000001 00111001 00000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 1.57.0.0/20🔍
Previous subnet 1.56.248.0/21🔍
Next subnet 1.57.8.0/21🔍

Subnet tree

Netblock 1.0.0.0/8🔍 APNIC-AP (AU)
Route 1.56.0.0/13🔍 AS4837 CHINA169-Backbone CHINA UNICOM China169 Backbone (CN)🔍
Netblock 1.56.0.0/13🔍 UNICOM-HL (CN)