Subnet details 1.81.0.0/21

Network address 1.81.0.0

Prefix length 21 (255.255.248.0)

Range 1.81.0.0 - 1.81.7.255

Hexadecimal 01510000

Binary 00000001 01010001 00000000 00000000

Binary subnet mask 11111111 11111111 11111000 00000000

Number of hosts 2,048

Parent subnet 1.81.0.0/20🔍

Previous subnet 1.80.248.0/21🔍

Next subnet 1.81.8.0/21🔍

Subnet tree

Netblock 1.0.0.0/8🔍 APNIC-AP (AU)

Route 1.80.0.0/13🔍 AS4134 CHINANET-BACKBONE No 31 Jin-rong Street (CN)🔍

Netblock 1.80.0.0/13🔍 CHINANET-SN (CN)

Route 1.81.0.0/21🔍 AS134768 CHINANET-SHAANXI-CLOUD-BASE CHINANET SHAANXI province Cloud Base network (CN)🔍