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Subnet details 81.12.80.0/21

Network address 81.12.80.0
Prefix length 21 (255.255.248.0)
Range 81.12.80.0 - 81.12.87.255
Hexadecimal 510c5000
Binary 01010001 00001100 01010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.12.80.0/20🔍
Previous subnet 81.12.72.0/21🔍
Next subnet 81.12.88.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Netblock 81.12.0.0/17🔍 IR-SINET-20020527 (IR)
Route 81.12.80.0/20🔍 AS42337 RESPINA-AS (IR)🔍
Netblock 81.12.80.0/20🔍 RESPINA (IR)