Tom.be

Subnet
Calculator
Merger
Name

Subnet details 129.254.21.0/26

Network address 129.254.21.0
Prefix length 26 (255.255.255.192)
Range 129.254.21.0 - 129.254.21.63
Hexadecimal 81fe1500
Binary 10000001 11111110 00010101 00000000
Binary subnet mask 11111111 11111111 11111111 11000000
Number of hosts 64
Parent subnet 129.254.21.0/25🔍
Previous subnet 129.254.20.192/26🔍
Next subnet 129.254.21.64/26🔍

Subnet tree

Route 129.254.0.0/16🔍 AS3748 ETRI-AS-KR Electronics and Telecommunications Research Institute (KR)🔍
Netblock 129.254.0.0/16🔍 ETRI (KR)