Tom.be

Subnet
Calculator
Merger
Name

Subnet details 218.31.0.0/21

Network address 218.31.0.0
Prefix length 21 (255.255.248.0)
Range 218.31.0.0 - 218.31.7.255
Hexadecimal da1f0000
Binary 11011010 00011111 00000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 218.31.0.0/20🔍
Previous subnet 218.30.248.0/21🔍
Next subnet 218.31.8.0/21🔍

Subnet tree

Netblock 218.0.0.0/11🔍 CHINANET-GD (CN)
Route 218.30.0.0/15🔍 AS4134 CHINANET-BACKBONE No 31 Jin-rong Street (CN)🔍
Netblock 218.30.0.0/15🔍 CHINANET (CN)
Netblock 218.31.0.0/16🔍 CHINANET-XJ (CN)