Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.97.64.0/20

Network address 81.97.64.0
Prefix length 20 (255.255.240.0)
Range 81.97.64.0 - 81.97.79.255
Hexadecimal 51614000
Binary 01010001 01100001 01000000 00000000
Binary subnet mask 11111111 11111111 11110000 00000000
Number of hosts 4,096
Parent subnet 81.97.64.0/19🔍
Previous subnet 81.97.48.0/20🔍
Next subnet 81.97.80.0/20🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.96.0.0/12🔍 AS5089 NTL (GB)🔍
Netblock 81.96.0.0/12🔍 UK-NTLI-20020614 (GB)
Netblock 81.97.64.0/20🔍 VMCBBUK (GB)