Subnet details 81.30.248.0/21

Network address 81.30.248.0

Prefix length 21 (255.255.248.0)

Range 81.30.248.0 - 81.30.255.255

Hexadecimal 511ef800

Binary 01010001 00011110 11111000 00000000

Binary subnet mask 11111111 11111111 11111000 00000000

Number of hosts 2,048

Parent subnet 81.30.240.0/20🔍

Previous subnet 81.30.240.0/21🔍

Next subnet 81.31.0.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)

Netblock 81.30.128.0/17🔍 RU-ZAODS-20020522 (RU)

Route 81.30.224.0/19🔍 AS15935 HA-VEL-LOCAL-AS Czech republic (CZ)🔍

Netblock 81.30.224.0/19🔍 CZ-HA-VEL-20020527 (CZ)

Netblock 81.30.240.0/20🔍 CZ-HA-VEL-CLIENTS-1 (CZ)