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Subnet details 81.23.152.0/21

Network address 81.23.152.0
Prefix length 21 (255.255.248.0)
Range 81.23.152.0 - 81.23.159.255
Hexadecimal 51179800
Binary 01010001 00010111 10011000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.23.144.0/20🔍
Previous subnet 81.23.144.0/21🔍
Next subnet 81.23.160.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.23.144.0/20🔍 AS12389 ROSTELECOM-AS PJSC Rostelecom Technical Team (RU)🔍
Netblock 81.23.144.0/20🔍 RU-RTK-20060214 (RU)