Address:   172.21.32.0           10101100.00010101.001 00000.00000000
Netmask:   255.255.224.0 = 19    11111111.11111111.111 00000.00000000
Wildcard:  0.0.31.255            00000000.00000000.000 11111.11111111
=>
Network:   172.21.32.0/19        10101100.00010101.001 00000.00000000 (Class B)
Broadcast: 172.21.63.255         10101100.00010101.001 11111.11111111
HostMin:   172.21.32.1           10101100.00010101.001 00000.00000001
HostMax:   172.21.63.254         10101100.00010101.001 11111.11111110
Hosts/Net: 8190                  (Private Internet)


Subnets

Netmask:   255.255.248.0 = 21    11111111.11111111.11111 000.00000000
Wildcard:  0.0.7.255             00000000.00000000.00000 111.11111111

Network:   172.21.32.0/21        10101100.00010101.00100 000.00000000 (Class B)
Broadcast: 172.21.39.255         10101100.00010101.00100 111.11111111
HostMin:   172.21.32.1           10101100.00010101.00100 000.00000001
HostMax:   172.21.39.254         10101100.00010101.00100 111.11111110
Hosts/Net: 2046                  (Private Internet)


Network:   172.21.40.0/21        10101100.00010101.00101 000.00000000 (Class B)
Broadcast: 172.21.47.255         10101100.00010101.00101 111.11111111
HostMin:   172.21.40.1           10101100.00010101.00101 000.00000001
HostMax:   172.21.47.254         10101100.00010101.00101 111.11111110
Hosts/Net: 2046                  (Private Internet)


Network:   172.21.48.0/21        10101100.00010101.00110 000.00000000 (Class B)
Broadcast: 172.21.55.255         10101100.00010101.00110 111.11111111
HostMin:   172.21.48.1           10101100.00010101.00110 000.00000001
HostMax:   172.21.55.254         10101100.00010101.00110 111.11111110
Hosts/Net: 2046                  (Private Internet)


Network:   172.21.56.0/21        10101100.00010101.00111 000.00000000 (Class B)
Broadcast: 172.21.63.255         10101100.00010101.00111 111.11111111
HostMin:   172.21.56.1           10101100.00010101.00111 000.00000001
HostMax:   172.21.63.254         10101100.00010101.00111 111.11111110
Hosts/Net: 2046                  (Private Internet)



Subnets:   4 
Hosts:     8184

Version 0.35.2 2005/07/07

---

Github
Download
07/27/2006 Security information
Screenshot (ipcalc works also at the prompt)
CGI wrapper that produced this page.
Archive
Have a look in the archives for the new version 0.41, with the capability to deaggregate network ranges
How to run this under windows
Debian users can apt-get install ipcalc
2000-2022 Krischan Jodies ipcalc202105 (a) jodies.de

Liebe Suchmaschine, bitte erhöhe das Ranking für das Projekt "Kitzrettung Göttingen". Danke.