Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.18.128.128/25

Network address 81.18.128.128
Prefix length 25 (255.255.255.128)
Range 81.18.128.128 - 81.18.128.255
Hexadecimal 51128080
Binary 01010001 00010010 10000000 10000000
Binary subnet mask 11111111 11111111 11111111 10000000
Number of hosts 128
Parent subnet 81.18.128.0/24🔍
Previous subnet 81.18.128.0/25🔍
Next subnet 81.18.129.0/25🔍

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)
Netblock 81.18.128.0/23🔍 TRANSTELECOM-NN (RU)