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Subnet details 81.18.128.0/21

Network address 81.18.128.0
Prefix length 21 (255.255.248.0)
Range 81.18.128.0 - 81.18.135.255
Hexadecimal 51128000
Binary 01010001 00010010 10000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.18.128.0/20🔍
Previous subnet 81.18.120.0/21🔍
Next subnet 81.18.136.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.18.128.0/19🔍 AS15774 TTK-RTL Retail (RU)🔍
Netblock 81.18.128.0/19🔍 RU-TRANSTELECOM-20020114 (RU)
Route 81.18.128.0/20🔍 AS24626 TTKNN-AS (RU)🔍
Netblock 81.18.128.0/20🔍 TRANSTELECOM-NN-Static (RU)