Subnet details 123.31.40.0/21

Network address 123.31.40.0

Prefix length 21 (255.255.248.0)

Range 123.31.40.0 - 123.31.47.255

Hexadecimal 7b1f2800

Binary 01111011 00011111 00101000 00000000

Binary subnet mask 11111111 11111111 11111000 00000000

Number of hosts 2,048

Parent subnet 123.31.32.0/20🔍

Previous subnet 123.31.32.0/21🔍

Next subnet 123.31.48.0/21🔍

Subnet tree

Netblock 122.0.0.0/7🔍 APNIC-AP (AU)

Netblock 123.16.0.0/12🔍 VNPT-VN (VN)

Route 123.31.0.0/18🔍 AS7643 VNPT-AS-VN Vietnam Posts and Telecommunications VNPT (VN)🔍

Route 123.31.32.0/20🔍 AS135905 VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP (VN)🔍