Tom.be

Subnet
Calculator
Merger
Name

Subnet details 121.139.80.0/20

Network address 121.139.80.0
Prefix length 20 (255.255.240.0)
Range 121.139.80.0 - 121.139.95.255
Hexadecimal 798b5000
Binary 01111001 10001011 01010000 00000000
Binary subnet mask 11111111 11111111 11110000 00000000
Number of hosts 4,096
Parent subnet 121.139.64.0/19🔍
Previous subnet 121.139.64.0/20🔍
Next subnet 121.139.96.0/20🔍

Subnet tree

Netblock 112.0.0.0/4🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 121.0.0.0/8🔍 APNIC-AP (AU)
Route 121.128.0.0/10🔍 AS4766 KIXS-AS-KR Korea Telecom (KR)🔍
Netblock 121.128.0.0/11🔍 KORNET (KR)