Subnet details 81.1.152.0/21

Network address 81.1.152.0
Prefix length 21 (255.255.248.0)
Range 81.1.152.0 - 81.1.159.255
Hexadecimal 51019800
Binary 01010001 00000001 10011000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.1.144.0/20🔍
Previous subnet 81.1.144.0/21🔍
Next subnet 81.1.160.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.1.128.0/18🔍 AS25513 ASN-MGTS-USPD (RU)🔍
Netblock 81.1.128.0/18🔍 RU-MGTS-20110804 (RU)